SEALS AND GROUP SELECTION

[11] HISTOLOGY OF REPRODUCTION AND THE ESTRUS CYCLE IN THE FEMALE FUR SEAL, CALLORHINUS-URSINUS [J]. JOURNAL OF THE FISHERIES RESEARCH BOARD OF CANADA, 1964, 21 (04): : 773 - &

[12] DAVIES JL, 1953, P ZOOL SOC LOND, V123, P327

[13] Fedoseev G.A., 1965, MARINE MAMMALS, P113

[14] Fisher R.A., 1958, TEACHING CHILDREN TH

[15] FREUCHEN P, 1935, 5TH REP THUL EXP COP, V2, P68

[16] Hamilton J. E., 1939, Discovery Reports Cambridge, V19, P121

[17] HEWER H. R., 1964, PROC ZOOL SOC LONDON, V142, P593

[18] KING JE, 1964, BRIT MUS NATUR HIST

[19] KLEINENBERG SE, 1964, OPREDELENIE VOZRA ED, P21

[20] KLEVEZAL GA, 1964, OPREDELENIE VOZRASTA, P21

[11] HISTOLOGY OF REPRODUCTION AND THE ESTRUS CYCLE IN THE FEMALE FUR SEAL, CALLORHINUS-URSINUS [J]. JOURNAL OF THE FISHERIES RESEARCH BOARD OF CANADA, 1964, 21 (04): : 773 - &

[12] DAVIES JL, 1953, P ZOOL SOC LOND, V123, P327

[13] Fedoseev G.A., 1965, MARINE MAMMALS, P113

[14] Fisher R.A., 1958, TEACHING CHILDREN TH

[15] FREUCHEN P, 1935, 5TH REP THUL EXP COP, V2, P68

[16] Hamilton J. E., 1939, Discovery Reports Cambridge, V19, P121

[17] HEWER H. R., 1964, PROC ZOOL SOC LONDON, V142, P593

[18] KING JE, 1964, BRIT MUS NATUR HIST

[19] KLEINENBERG SE, 1964, OPREDELENIE VOZRA ED, P21

[20] KLEVEZAL GA, 1964, OPREDELENIE VOZRASTA, P21