All publications Technical Brochures Session Materials Webinars Symposia Green Books Electra CIGRE Science & Engineering Reference Papers Working Group Reports Colloquia National Committees Journals CIGRE History books ISH Collection Search See all publications and filters Search by hot topic Search by hot topic Digitalisation Solar PV and Wind Storage Hydrogen Grids and Flexibility Consumers, Prosumers and Electric Vehicles Sustainability and Climate Sector Integration See the breadcrumb Home Publications Search results Search results Filters Publications Session Materials 10048 Electra 1590 Technical Brochures 974 ISH Collection 787 Webinars 63 Colloquia 57 Symposia 44 CIGRE Science & Engineering 37 Working Group Reports 27 Green Books 21 Reference Papers 19 CIGRE History books 4 National Committees Journals 4 Themes / Study committees Power Generation and Electromechanical Energy Conversion (A1) 611 Power transformers and reactors (A2) 806 Transmission & distribution equipment (A3) 775 Insulated cables (B1) 823 Overhead lines (B2) 867 Substations and electrical installations (B3) 796 DC systems and power electronics (B4) 851 Protection and automation (B5) 801 Power system development and economics (C1) 825 Power system operation and control (C2) 762 Power System Sustainability and Environmental Performance (C3) 262 Power system technical performance (C4) 1547 Electricity markets and regulation (C5) 418 Active distribution systems and distributed energy resources (C6) 499 Materials and emerging test techniques (D1) 725 Information Systems, Telecommunications and Cybersecurity (D2) 633 Hot topics Sustainability and Climate 44 Grids and Flexibility 32 Solar PV and Wind 27 Digitalisation 22 Storage 17 Consumers, Prosumers and Electric Vehicles 10 Hydrogen 3 Sector Integration 2 Publication year Single year Range Advanced You can find publications since 1939. Year Please enter a valid year, e.g. 2021 From Please enter a valid year, e.g. 2021 To Please enter a valid year, e.g. 2021 Query Please enter a valid query like 2015, 2018-2020, 2023 Additional media Video 160 Working groups workingGroup Search working groups 01.32 13.02 15.02 15.03 21.02 23.03 33.03.03 33.06.01 A1.16 A2.37 A2.38 A3.22 AG B4.04 AG C6.01 AG C6.17 AG D2.02 Ad Hoc WG B1.29 B1.37 B1.43 B2.49 B3.17 B3.26 B3.32 B4.46 B4.49 B4.56 B5.12 C4.111 C5.15 CEI/IEC CIGRE D1.03 D1.33 D1.37 D1.40 GT 39.05 GT/WG 07 IEEE/CIGRE JAG D1.02 JAG D1.02/TC JTF 15.02/15.05.01 JTF 15/33.03.05 JTF 21/15 JTF 23/12/13/21/22.16 JTF B4.04/A2.01 JTF D1.02/A2.11 JTF IEEE/CIGRE JWG 11/14.09 JWG 12/14.10 JWG 12/14.10.01 JWG 12/15.13 JWG 13/14.08 JWG 14.03/36.05 JWG 14/37/38/39.24 JWG 15/33.06 JWG 15/33.08 JWG 21/22.01 JWG 21/33 JWG 23/12/13/21/22.16 JWG 23/21/33.15 JWG 23/39 JWG 23/39.14 JWG 33/13.09 JWG 33/14.05 JWG 33/21/14.16 JWG 33/23.12 JWG 34/35 JWG 34/35.05 JWG 34/35.11 JWG 36.01/21 JWG 36.05.02/14.03.03 JWG 36/21.01 JWG 37/38/39 JWG 39/11 JWG A1/C4.66 JWG A2/A3/B3.21 JWG A2/B4.28 JWG A2/C4.39 JWG A2/C4.52 JWG A2/D1.41 JWG A2/D1.46 JWG A2/D1.51 JWG A3.32/CIRED JWG A3/B4.34 JWG A3/B5/C4.37 JWG B1/B3.33 JWG B1/B3.49 JWG B1/B3.74 JWG B1/B3/D1.79 JWG B1/D1.75 JWG B2/B3.27 JWG B2/B4/C1.17 JWG B2/C1.9 JWG B3.35/CIRED JWG B3/A3.59 JWG B3/B1.09 JWG B3/B1.27 JWG B3/C1/C2.14 JWG B3/C2.14 JWG B4.82/IEEE JWG B4.O4/A2.1 JWG B4/A3.80 JWG B4/A3/B3.43 JWG B4/B5.59 JWG B4/C1.65 JWG B5/C6.26/CIRED JWG B5/D2.46 JWG B5/D2.67 JWG C1/C4.36 JWG C1/C6.37/CIRED JWG C2/B4.38 JWG C2/C4.37 JWG C2/C4.41 JWG C2/C5.05 JWG C2/C5.06 JWG C2/C6.36 JWG C2/D2.41 JWG C3/37.36 JWG C3/B1/B2.13 JWG C4.2.02 JWG C4.202 JWG C4.24/CIRED JWG C4.4.02 JWG C4/A3.53 JWG C4/B4.38 JWG C4/B4.52 JWG C4/B4/C1.604 JWG C4/B5.41 JWG C4/C2.58/IEEE JWG C4/C6.29 JWG C4/C6.35/CIRED JWG C5/C1.35 JWG C5/C1.36 JWG C6/B4.37 JWG C6/B5.25/CIRED JWG C6/C1.33 JWG C6/D2.32 JWG D1/A2.47 JWG D1/B1.20 JWG D1/B1.49 JWG D1/B3.57 JWG D2/B2.39 JWG D2/B3/C2.01 JWG D2/C2.41 JWG D2/C2.48 JWG D2/C6.47 SC 12 SC 12/13/14/15/21/23/37 SC 13 SC 14/33 SC 15 SC 16 SC 21 SC 22 SC 22/IEEE SC 23 SC 23/33 SC 23/36 SC 31/32 SC 33 SC 33.01 SC A3 SC B2 SC C3 SC C4 SC C6 SC D1 TF 06.03 TF 13.00.1 TF 13.00.2 TF 14.01.01 TF 14.01.04 TF 14.01.1 TF 15.01.01 TF 15.01.03 TF 15.01.07 TF 15.01.09 TF 15.02.03 TF 15.02.04 TF 15.05.02 TF 15.06.01 TF 15.06.05 TF 22.03.01 TF 22.06.01 TF 22.11.01 TF 22.11.02 TF 22.11.03 TF 22.11.04 TF 23.02.01 TF 23.10.01 TF 23.10.03 TF 23/12/13/22/39 TF 33.01.01 TF 33.01.02 TF 33.03.05 TF 33.03.2 TF 33.04.01 TF 33.04.02 TF 33.04.03 TF 33.04.07 TF 33.04.09 TF 33.07.01 TF 33.07.02 TF 33.07.03 TF 33.07.09 TF 33.11.03 TF 33.11.06 TF 35.05 TF 35.13.02 TF 35.13.03 TF 38.01.02 TF 38.01.03 TF 38.01.08 TF 38.01.10 TF 38.01.11 TF 38.02.02 TF 38.02.03 TF 38.02.04 TF 38.02.05 TF 38.02.07 TF 38.02.14 TF 38.02.16 TF 38.02.17 TF 38.02.19 TF 38.03.01 TF 38.03.11 TF 38.03.12 TF 38.04.03 TF 38.04.04 TF 38.05.07 TF 38.05.08 TF 38.05.09 TF 38.05.10 TF 38.05.12 TF 38.06.01 TF 38.06.02 TF 38.06.06 TF A2.31 TF A3.01 TF B1.10 TF B1.26 TF B1.93 TF B2.06.09 TF B2.08.01 TF B2.11.03 TF B2.11.04 TF B2.11.05 TF B2.11.06 TF B2.11.07 TF B2.11.1 TF B2.11.O6 TF B2.12.03 TF B3.01.04 TF B3.02.01 TF B3.05.06 TF B5.03 TF B5.05 TF C2.02.24 TF C4.02.25 TF C4.102 TF C4.205 TF C4.602 TF C6.04 TF C6.04.01 TF D1.01.02.08 TF D1.01.06 TF D1.01.09 TF D1.01.10 TF D1.02.05 TF D1.02.08 TF D1.03.10 TF D1.11.04 TF D1.12.1 TF D1.16.03 TF D2.08 TF D2.10 TF D2.13 WC A1.38 WG 01 WG 02 WG 03 WG 04 WG 11.01 WG 11.02 WG 11.03 WG 11.04 WG 11.05 WG 11.06 WG 12.01 WG 12.03 WG 12.04 WG 12.05 WG 12.06 WG 12.09 WG 12.11 WG 12.12 WG 12.15 WG 12.17 WG 12.19 WG 12.22 WG 12/18.13 WG 13.01 WG 13.02 WG 13.03 WG 13.04 WG 13.05 WG 13.06 WG 13.07 WG 13.08 WG 13.09 WG 13.10 WG 13.CC.03 WG 13/14.08 WG 14.01.02 WG 14.01.03 WG 14.02 WG 14.03 WG 14.03.02 WG 14.04 WG 14.05 WG 14.07 WG 14.11 WG 14.12 WG 14.17 WG 14.18 WG 14.19 WG 14.20 WG 14.23 WG 14.25 WG 14.26 WG 14.27 WG 14.28 WG 14.29 WG 14.30 WG 14.31 WG 14.32 WG 15.01 WG 15.01.02 WG 15.02 WG 15.03 WG 15.04 WG 15.05 WG 15.07 WG 15.09 WG 15.10 WG 21.01 WG 21.02 WG 21.03 WG 21.04 WG 21.05 WG 21.06 WG 21.07 WG 21.08 WG 21.09 WG 21.10 WG 21.11 WG 21.12 WG 21.14 WG 21.16 WG 21.17 WG 22.01 WG 22.03 WG 22.04 WG 22.05 WG 22.06 WG 22.07 WG 22.08 WG 22.09 WG 22.10 WG 22.11 WG 22.12 WG 22.13 WG 22.14 WG 22.15 WG 23.01 WG 23.02 WG 23.03 WG 23.04 WG 23.05 WG 23.06 WG 23.07 WG 23.08 WG 23.10 WG 23.10.01 WG 23.11 WG 3.4 WG 31.01 WG 31.02 WG 31/32.03 WG 32.01 WG 32.03 WG 32.D2 WG 33 WG 33.01 WG 33.01.02 WG 33.01.03 WG 33.02 WG 33.03 WG 33.04 WG 33.04.04 WG 33.05 WG 33.06 WG 33.07 WG 33.10 WG 33.11 WG 34.01 WG 34.02 WG 34.03 WG 34.04 WG 34.05 WG 34.06 WG 34.08 WG 34.09 WG 34.10 WG 35. 07 WG 35.01 WG 35.02 WG 35.03 WG 35.04 WG 35.05 WG 35.06 WG 35.07 WG 35.08 WG 35.09 WG 35.13 WG 36.01 WG 36.02 WG 36.03 WG 36.04 WG 36.05 WG 36.05/CIRED WG 36.06 WG 37.01 WG 37.03 WG 37.07 WG 37.08 WG 37.09 WG 37.10 WG 37.13 WG 37.23 WG 37.27 WG 37.28 WG 37.30 WG 38.01 WG 38.01.05 WG 38.01.06 WG 38.01.07 WG 38.02 WG 38.02.08 WG 38.02.09 WG 38.02.10 WG 38.02.11 WG 38.02.12 WG 38.02.13 WG 38.03 WG 38.03.10 WG 38.04 WG 38.04.01 WG 38.04.02 WG 38.04.03 WG 38.05.04 WG 38.06.04 WG 39. 01 WG 39.01 WG 39.03 WG 39.04 WG 39.05 WG 39.06 WG A1.01 WG A1.01.03 WG A1.01.04 WG A1.01.06 WG A1.02 WG A1.04 WG A1.05 WG A1.06 WG A1.06.01 WG A1.07 WG A1.08 WG A1.09 WG A1.10 WG A1.11 WG A1.12 WG A1.13 WG A1.14 WG A1.15 WG A1.16 WG A1.17 WG A1.18 WG A1.19 WG A1.21 WG A1.22 WG A1.23 WG A1.25 WG A1.26 WG A1.27 WG A1.28 WG A1.29 WG A1.30 WG A1.31 WG A1.33 WG A1.34 WG A1.35 WG A1.36 WG A1.37 WG A1.38 WG A1.39 WG A1.40 WG A1.41 WG A1.44 WG A1.46 WG A1.47 WG A1.48 WG A1.49 WG A1.50 WG A1.54 WG A1.59 WG A1.70 WG A2.18 WG A2.20 WG A2.23 WG A2.24 WG A2.26 WG A2.27 WG A2.30 WG A2.32 WG A2.33 WG A2.34 WG A2.35 WG A2.36 WG A2.37 WG A2.40 WG A2.42 WG A2.43 WG A2.44 WG A2.45 WG A2.48 WG A2.49 WG A2.53 WG A2.54 WG A2.55 WG A2.57 WG A2.59 WG A2.62 WG A2.64 WG A2.69 WG A3.06 WG A3.07 WG A3.10 WG A3.11 WG A3.12 WG A3.13 WG A3.16 WG A3.17 WG A3.18 WG A3.19 WG A3.20 WG A3.21 WG A3.22 WG A3.23 WG A3.24 WG A3.25 WG A3.26 WG A3.27 WG A3.28 WG A3.29 WG A3.30 WG A3.31 WG A3.33 WG A3.35 WG A3.36 WG A3.38 WG A3.40 WG A3.41 WG A3.43 WG A3.48 WG AG A2.4 WG B.33 WG B1.02 WG B1.03 WG B1.04 WG B1.05 WG B1.06 WG B1.07 WG B1.08 WG B1.09 WG B1.10 WG B1.11 WG B1.16 WG B1.18 WG B1.19 WG B1.20 WG B1.21 WG B1.22 WG B1.23 WG B1.24 WG B1.25 WG B1.26 WG B1.27 WG B1.28 WG B1.29 WG B1.30 WG B1.31 WG B1.32 WG B1.34 WG B1.35 WG B1.36 WG B1.37 WG B1.38 WG B1.40 WG B1.41 WG B1.42 WG B1.43 WG B1.44 WG B1.45 WG B1.46 WG B1.47 WG B1.48 WG B1.50 WG B1.51 WG B1.52 WG B1.54 WG B1.55 WG B1.56 WG B1.57 WG B1.58 WG B1.60 WG B1.61 WG B1.62 WG B1.63 WG B1.64 WG B1.65 WG B1.66 WG B1.68 WG B1.73 WG B1.87 WG B2.03 WG B2.06 WG B2.07 WG B2.08 WG B2.11 WG B2.12 WG B2.13 WG B2.15 WG B2.16 WG B2.20 WG B2.21 WG B2.22 WG B2.23 WG B2.24 WG B2.25 WG B2.26 WG B2.28 WG B2.29 WG B2.30 WG B2.31 WG B2.32 WG B2.33 WG B2.36 WG B2.39 WG B2.41 WG B2.42 WG B2.43 WG B2.44 WG B2.45 WG B2.47 WG B2.48 WG B2.49 WG B2.50 WG B2.51 WG B2.52 WG B2.53 WG B2.54 WG B2.55 WG B2.56 WG B2.57 WG B2.58 WG B2.59 WG B2.61 WG B2.62 WG B2.63 WG B2.64 WG B2.68 WG B2.69 WG B2.81 WG B2.O6 WG B2/B3.27 WG B2/C1.19 WG B2/D2.18 WG B3.01 WG B3.03 WG B3.05 WG B3.06 WG B3.08 WG B3.10 WG B3.11 WG B3.12 WG B3.15 WG B3.17 WG B3.18 WG B3.20 WG B3.21 WG B3.22 WG B3.23 WG B3.24 WG B3.25 WG B3.26 WG B3.29 WG B3.30 WG B3.31 WG B3.34 WG B3.36 WG B3.37 WG B3.38 WG B3.39 WG B3.40 WG B3.41 WG B3.42 WG B3.43 WG B3.44 WG B3.45 WG B3.46 WG B3.47 WG B3.48 WG B3.49 WG B3.50 WG B3.51 WG B3.53 WG B3.55 WG B3.57 WG B3.58 WG B3/B1.27 WG B3/C1/C2.14 WG B4.04 WG B4.05 WG B4.19 WG B4.28 WG B4.33 WG B4.34 WG B4.35 WG B4.37 WG B4.38 WG B4.39 WG B4.40 WG B4.41 WG B4.44 WG B4.45 WG B4.47 WG B4.48 WG B4.49 WG B4.51 WG B4.52 WG B4.53 WG B4.54 WG B4.55 WG B4.56 WG B4.57 WG B4.58 WG B4.60 WG B4.61 WG B4.62 WG B4.63 WG B4.66 WG B4.67 WG B4.68 WG B4.70 WG B4.72 WG B4.74 WG B4.75 WG B4.76 WG B4.78 WG B4.79 WG B4.81 WG B4.83 WG B4.84 WG B4.85 WG B4/C3/B2.50 WG B5, WG C6.26, CIRED WG B5.01 WG B5.03 WG B5.04 WG B5.05 WG B5.06 WG B5.07 WG B5.08 WG B5.09 WG B5.10 WG B5.11 WG B5.12 WG B5.13 WG B5.14 WG B5.15 WG B5.16 WG B5.17 WG B5.18 WG B5.19 WG B5.20 WG B5.22 WG B5.23 WG B5.24 WG B5.27 WG B5.31 WG B5.32 WG B5.34 WG B5.36 WG B5.37 WG B5.38 WG B5.39 WG B5.40 WG B5.41 WG B5.42 WG B5.43 WG B5.45 WG B5.47 WG B5.48 WG B5.50 WG B5.52 WG B5.53 WG B5.54 WG B5.60 WG B5.62 WG B5.64 WG B5.66 WG B5.69 WG B5.94 WG B5.O1 WG B5/B4.25 WG B5/C1/C2/C4/C6/D2 WG C1 WG C1.04 WG C1.1 WG C1.11 WG C1.13 WG C1.14 WG C1.15 WG C1.16 WG C1.17 WG C1.19 WG C1.2 WG C1.22 WG C1.23 WG C1.24 WG C1.25 WG C1.26 WG C1.27 WG C1.29 WG C1.3 WG C1.30 WG C1.31 WG C1.32 WG C1.34 WG C1.35 WG C1.38 WG C1.39 WG C1.40 WG C1.41 WG C1.43 WG C1.44 WG C1.48 WG C1.6 WG C1.7 WG C1.8 WG C1.9 WG C1/C2/C6.18 WG C2.01 WG C2.11 WG C2.13 WG C2.16 WG C2.17 WG C2.18 WG C2.21 WG C2.23 WG C2.24 WG C2.25 WG C2.26 WG C2.33 WG C2.34 WG C2.35 WG C2.39 WG C2.40 WG C2.42 WG C2/C5.05 WG C3.01 WG C3.02 WG C3.03 WG C3.04 WG C3.05 WG C3.06 WG C3.08 WG C3.09 WG C3.10 WG C3.15 WG C3.16 WG C3.19 WG C4.01 WG C4.02 WG C4.02.25 WG C4.07 WG C4.107 WG C4.108 WG C4.109 WG C4.110 WG C4.111 WG C4.112 WG C4.2.02 WG C4.203 WG C4.204 WG C4.206 WG C4.207 WG C4.208 WG C4.23 WG C4.25 WG C4.26 WG C4.27 WG C4.28 WG C4.30 WG C4.301 WG C4.302 WG C4.303 WG C4.306 WG C4.307 WG C4.31 WG C4.32 WG C4.33 WG C4.34 WG C4.37 WG C4.39 WG C4.402 WG C4.403 WG C4.404 WG C4.405 WG C4.406 WG C4.407 WG C4.408 WG C4.409 WG C4.410 WG C4.45 WG C4.46 WG C4.47 WG C4.49 WG C4.501 WG C4.502 WG C4.503 WG C4.56 WG C4.601 WG C4.603 WG C4.605 WG C4.61 WG C5.03 WG C5.06 WG C5.10 WG C5.11 WG C5.12 WG C5.13 WG C5.15 WG C5.16 WG C5.17 WG C5.18 WG C5.19 WG C5.20 WG C5.21 WG C5.22 WG C5.23 WG C5.24 WG C5.25 WG C5.26 WG C5.27 WG C5.28 WG C5.30 WG C5.32 WG C5.33 WG C5.4 WG C5.6 WG C5.7 WG C5.71 WG C6.01 WG C6.02 WG C6.03 WG C6.04 WG C6.08 WG C6.09 WG C6.10 WG C6.11 WG C6.15 WG C6.19 WG C6.20 WG C6.21 WG C6.22 WG C6.24 WG C6.27 WG C6.28 WG C6.30 WG C6.31 WG C6.36 WG C6.38 WG C6.40 WG C6.43 WG CC.01 WG D1.01 WG D1.03 WG D1.11 WG D1.12 WG D1.14 WG D1.15 WG D1.17 WG D1.23 WG D1.24 WG D1.25 WG D1.26 WG D1.27 WG D1.28 WG D1.29 WG D1.30 WG D1.32 WG D1.33 WG D1.34 WG D1.35 WG D1.37 WG D1.38 WG D1.39 WG D1.40 WG D1.42 WG D1.43 WG D1.44 WG D1.45 WG D1.48 WG D1.50 WG D1.51 WG D1.52 WG D1.53 WG D1.54 WG D1.56 WG D1.58 WG D1.59 WG D1.64 WG D1.65 WG D1.66 WG D1.67 WG D1.70 WG D1.70 TF3 WG D1.71 WG D2.01 WG D2.07 WG D2.09 WG D2.12 WG D2.13 WG D2.14 WG D2.15 WG D2.16 WG D2.17 WG D2.18 WG D2.21 WG D2.22 WG D2.23 WG D2.24 WG D2.26 WG D2.28 WG D2.29 WG D2.31 WG D2.33 WG D2.34 WG D2.35 WG D2.36 WG D2.38 WG D2.40 WG D2.43 WG D2.45 WG D2.46 WG D2.50 WG D2/B5.30 WG. 13.03 13679 results for your search Sort by Relevance Publication date Filters Session Materials Contribution of the physics of discharges to insulation co-ordination Ref 33-04_1976 • 1976 Session Materials Overvoltage protection of metal enclosed SF6 substations; Insulation co-ordination philosophy and surge arrester characteristics Ref 33-03_1976 • 1976 Session Materials Radio interference: Insulators Ref 36_07_1976 • 1976 Session Materials Equipment for the thermal monitoring of overhead lines, underground cables and power transformers Ref 34-07_1976 • 1976 Session Materials New overhead transmission lines in the Polish network - Service experience Ref 22-05_1976 • 1976 Session Materials Studies carried out in Spain on aeolian vibration of overhead conductors Ref 22-04_1976 • 1976 Session Materials Performance of metal-clad SF6 insulated substations under various dielectric stresses Ref 33-08_1976 • 1976 Session Materials Sparkover and insulation performance of HV lightning arresters under pollution conditions including live washing Ref 33-07_1976 • 1976 Session Materials Limitation of phase-to-phase and phase-to-ground switching surges; Field tests in Bonneville Power Administration 550 kV system Ref 33-06_1976 • 1976 Session Materials Switching impulse shape and dielectric strength of external EHV/UHV insulation Ref 33-02_1976 • 1976 Session Materials Development of SF6 gas gap for protection of 500 kV metalclad switchgears of line entrance Ref 33-01_1976 • 1976 Session Materials Study on the structure of main transmission bus, interconnecting grid and secondary transmission systems - Application to the French power systems Ref 32_01_1976 • 1976 Session Materials Energy-storage peak-load plants in the future energy production systems Ref 31-10_1976 • 1976 Session Materials The application of static shunt reactive compensators in conjunction with line series capacitors to increase the transmission capabilities of long a.c. lines Ref 31-09_1976 • 1976 Session Materials Influence of electric field effects on 500 kV system design Ref 31-05_1976 • 1976 Session Materials Expanded intergroup spacing - A new concept in bundle conductor design Ref 31-04_1976 • 1976 Session Materials Design of the EHV 1 150 kV AC transmission line Ref 31-03_1976 • 1976 Session Materials Corona and electric field effects at the Apple Grove project and an 800 kV line in the USA Ref 31-08_1976 • 1976 Electra Contribution on the study of the initial part of the transient recovery voltage Ref ELT_046_2 • 1976 Technical Brochures Current Ratings of Cables for Cyclic and Emergency Loads Ref 005 • 1976 Session Materials Electrostatic field effects from high voltage power lines and in substations Ref 36_04_1976 • 1976 Session Materials Feasibility study of the ITAIPU (Sete Quedas) transmission Ref 32-04_1976 • 1976 Session Materials Towards a better EHV substation environment Ref 23-07_1976 • 1976 Session Materials Digital systems for protection Ref 34-08_1976 • 1976 Electra Application of series capacitors and protection of associated transmission lines Ref ELT_046_3 • 1976 Previous 1 … 513 514 515 516 517 … 548 Next