TY  - RPRT
TI  - The response of a Kansas winter bird community to weather, photoperiod, and year
AU  - M.A. Stapanian
AU  - C. C. Smith
AU  - E.J. Finck
PY  - 1999
UR  - https://pubs.usgs.gov/publication/70021420
ID  - 70021420
ER  -