TY  - RPRT
TI  - Modeling participation duration, with application to the North American Breeding Bird Survey
AU  - William A. Link
AU  - John R. Sauer
PY  - 2014
DO  - 10.1080/03610926.2014.957854
UR  - https://pubs.usgs.gov/publication/70175449
ID  - 70175449
ER  -