TY  - RPRT
TI  - Birds of Isle Royale in Lake Superior
AU  - Laurits W. Krefting
AU  - Forrest B. Lee
AU  - Philip C. Shelton
AU  - Karl T. Gilbert
PY  - 1966
UR  - https://pubs.usgs.gov/publication/ssrw94
ID  - ssrw94
ER  -