TY  - RPRT
TI  - Components of breeding productivity in a marine bird community: key factors and concordance
AU  - Scott A. Hatch
AU  - Martha A. Hatch
PY  - 1990
DO  - 10.1139/z90-248
UR  - https://pubs.usgs.gov/publication/70181815
ID  - 70181815
ER  -