共 4 条
[1]
JONSGARD, 1968, NORSK HVALFANGST TID, V57, P84
[2]
NISHIWAKI, 1958, SCI REP WHALES RES, V13, P92
[3]
RICE, 1968, NORSK HVALFANGST TID, V57, P35
[4]
TOMILIN, 1967, MAMMALS USSR ADJACEN, V9, P619