共 52 条
[11]
POPULATION-DYNAMICS AND MARINE MAMMAL MANAGEMENT POLICIES
[J].
JOURNAL OF THE FISHERIES RESEARCH BOARD OF CANADA,
1977, 34 (02)
:183-190
[13]
SEA OTTERS - THEIR ROLE IN STRUCTURING NEARSHORE COMMUNITIES
[J].
SCIENCE,
1974, 185 (4156)
:1058-1060
[14]
Fisher R.A., 1958, TEACHING CHILDREN TH
[15]
Gambell R., 1973, Journal Reprod Fert, V19, P533
[16]
GRASSLE JF, 1973, DEEP-SEA RES, V20, P643
[17]
HESSLER RR, 1967, DEEP-SEA RES, V14, P65
[18]
Kenyon K. W, 1969, N AM FAUNA
[20]
Laws R. M., 1962, P137