TY - JOUR AU - B. S. Ènenstein AU - A. G. Tarkhnishvili TI - On the efficiency of different electromagnetic methods of geological explorations JO - Doklady Akademii Nauk PY - 1980 SP - 70 EP - 73 VL - 250 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_250_1_a16/ LA - ru ID - DAN_1980_250_1_a16 ER -