TY - JOUR AU - V. V. Shuleikin TI - Certain features of secular variations in magnetic field over the ocean JO - Doklady Akademii Nauk PY - 1961 SP - 848 EP - 851 VL - 137 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_137_4_a23/ LA - ru ID - DAN_1961_137_4_a23 ER -