TY  - RPRT
TI  - Butterfly monitoring protocol for four prairie parks
AU  - D. Debinski
AU  - S. Mahady
AU  - W.M. Rizzo
AU  - G.D. Willson
PY  - 2000
UR  - https://pubs.usgs.gov/publication/93786
ID  - 93786
ER  -