Authors: PETROV EA VORONOV AV EGOROVA LI IVANOV MK SARMIN DR SUROV AP

Citation: Ea. Petrov et al., AGE-SEX STRUCTURE AND POTENTIAL FOR REPRO DUCTION OF PUSA-SIBIRICA (PINNIPEDIA, PHOCIDAE), Zoologiceskij zurnal, 76(6), 1997, pp. 743-749