SEALS AND GROUP SELECTION

[1] BADAMSHIN B. I., 1960, ZOOL ZHUR, V39, P898

[2] BERTRAM GCL, 1940, 193437 BRIT GRAH LAN, V1, P1

[3] Carrick R., 1962, CSIRO Wildlife Research, V7, P161

[4] CARRICK R., 1962, C S I R O WILDLIFE RES, V7, P119

[5] CHAPMAN D. G., 1964, US FISH WILDLIFE SERV FISH BULL, V63, P657

[6] CHAPMAN DG, 1961, 26TH T N AM WILDL NA, P356

[7] CHAPSKII K. K., 1963, TR POLYARNOGO NAUCH ISSLED PROEKTN INST MORSKOGO RYBN KHOZ OKEANOGR, V15, P215

[8] Chapsky KK, 1965, MARINE MAMMALS, P122

[9] THE POPULATION CONSEQUENCES OF LIFE HISTORY PHENOMENA [J]. QUARTERLY REVIEW OF BIOLOGY, 1954, 29 (02) : 103 - 137

[10] THE BREEDING BIOLOGY OF THE GREY SEAL, HALICHOERUS-GRYPUS (FAB), ON THE FARNE ISLANDS, NORTHUMBERLAND [J]. JOURNAL OF ANIMAL ECOLOGY, 1964, 33 (03) : 485 - 512

[1] BADAMSHIN B. I., 1960, ZOOL ZHUR, V39, P898

[2] BERTRAM GCL, 1940, 193437 BRIT GRAH LAN, V1, P1

[3] Carrick R., 1962, CSIRO Wildlife Research, V7, P161

[4] CARRICK R., 1962, C S I R O WILDLIFE RES, V7, P119

[5] CHAPMAN D. G., 1964, US FISH WILDLIFE SERV FISH BULL, V63, P657

[6] CHAPMAN DG, 1961, 26TH T N AM WILDL NA, P356

[7] CHAPSKII K. K., 1963, TR POLYARNOGO NAUCH ISSLED PROEKTN INST MORSKOGO RYBN KHOZ OKEANOGR, V15, P215

[8] Chapsky KK, 1965, MARINE MAMMALS, P122

[9] THE POPULATION CONSEQUENCES OF LIFE HISTORY PHENOMENA [J]. QUARTERLY REVIEW OF BIOLOGY, 1954, 29 (02) : 103 - 137

[10] THE BREEDING BIOLOGY OF THE GREY SEAL, HALICHOERUS-GRYPUS (FAB), ON THE FARNE ISLANDS, NORTHUMBERLAND [J]. JOURNAL OF ANIMAL ECOLOGY, 1964, 33 (03) : 485 - 512