1. ) Saint Petersburg State University, Universitetskaya Emb. 7/9, RU-199034 Saint Petersburg, Russia; and Saint Petersburg Branch of VNIRO (GosNIORKH, named after L.S. Berg), Makarova Emb. 26, RU-199053 Saint Petersburg, Russia
2. ) Saint Petersburg Branch of VNIRO (GosNIORKH, named after L.S. Berg), Makarova Emb. 26, RU-199053 Saint Petersburg, Russia