TY  - RPRT
TI  - Pellets versus feces: their relative importance describing the food habits of double-crested cormorants
AU  - J. H. Johnson
AU  - R. M. Ross
PY  - 1996
DO  - 10.1016/s0380-1330(96)70998-x
UR  - https://pubs.usgs.gov/publication/1014622
ID  - 1014622
ER  -