TY - JOUR A1 - Sidorov, R. A1 - Soloviev, A. A1 - Krasnoperov, R. A1 - Kudin, D. A1 - Grudnev, A. A1 - Kopytenko, Y. A1 - Kotikov, A. A1 - Sergushin, P. T1 - Saint Petersburg magnetic observatory: from Voeikovo subdivision to INTERMAGNET certification JO - Geosci. Instrum. Method. Data Syst. Discuss. J1 - GID VL - 2017 SP - 1 EP - 21 Y1 - 2017/07/05 PB - Copernicus Publications SN - 2193-0872 UR - https://gi.copernicus.org/preprints/gi-2017-35/ L1 - https://gi.copernicus.org/preprints/gi-2017-35/gi-2017-35.pdf DO - 10.5194/gi-2017-35 ER -