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COMPARISON OF VERTICAL AERIAL PHOTOGRAPHIC AND GROUND CENSUSES OF STELLER SEA LIONS AT AÑO NUEVO ISLAND, JULY 1990-1993
ROBIN L. WESTLAKE, WAYNE L. PBRRYMAN, KATHRYN A. ONOVolume:
13
Year:
1997
Language:
english
Pages:
12
DOI:
10.1111/j.1748-7692.1997.tb00628.x
File:
PDF, 1.60 MB
english, 1997