TY  - RPRT
TI  - Investigating trophic relationships of pinnipeds in Alaska and Washington using stable isotope ratios of nitrogen and carbon
AU  - Keith A. Hobson
AU  - John L. Sease
AU  - Richard L. Merrick
AU  - John F. Piatt
PY  - 2006
DO  - 10.1111/j.1748-7692.1997.tb00615.x
UR  - https://pubs.usgs.gov/publication/70184364
ID  - 70184364
ER  -