TY - JOUR AU - A. S. Bol'shakov AU - G. M. Solodovnikov TI - Geomagnetic field intensity in last 400 million year JO - Doklady Akademii Nauk PY - 1981 SP - 1340 EP - 1343 VL - 260 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_260_6_a13/ LA - ru ID - DAN_1981_260_6_a13 ER -