TY - JOUR AU - G. N. Kovalev TI - Thermal thickness of hydrothermal systems and active volcanoes JO - Doklady Akademii Nauk PY - 1969 SP - 814 EP - 816 VL - 186 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_186_4_a20/ LA - ru ID - DAN_1969_186_4_a20 ER -