TY  - RPRT
TI  - Monitoring planktivorous seabird populations: Validating surface counts of crevice-nesting auklets using mark-resight techniques
AU  - L.M. Sheffield
AU  - Adrian E. Gall
AU  - D.D. Roby
AU  - D.B. Irons
AU  - K.M. Dugger
PY  - 2006
DO  - 10.1139/z06-061
UR  - https://pubs.usgs.gov/publication/70028363
ID  - 70028363
ER  -