TY - JOUR AU - A. P. Nagurnyi TI - Many years and seasonal change of sea ice thickness in arctic basin JO - Doklady Akademii Nauk PY - 1997 SP - 673 EP - 675 VL - 353 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1997_353_5_a13/ LA - ru ID - DAN_1997_353_5_a13 ER -