TY  - RPRT
TI  - Photographic censusing of the 1982-1983 California condor population
AU  - N.F.R. Snyder
AU  - E.V. Johnson
PY  - 1985
DO  - 10.2307/1367123
UR  - https://pubs.usgs.gov/publication/5221514
ID  - 5221514
ER  -