Treshnikov, A.F..
Problems of the Arctic and the Antarctic / - 1st ed / - New Delhi-1 : Oxonian Press Pvt. Ltd. , 1976 - p.128 :
U28:(H)x / L3.42
Problems of the Arctic and the Antarctic / - 1st ed / - New Delhi-1 : Oxonian Press Pvt. Ltd. , 1976 - p.128 :
U28:(H)x / L3.42