TY  - RPRT
TI  - Abundance and distribution of the Pacific walrus: results of the first Soviet/American joint aerial survey, autumn 1975
AU  - J. A. Estes
AU  - V. Gol444tsev
PY  - 1984
UR  - https://pubs.usgs.gov/publication/2002196
ID  - 2002196
ER  -