TY  - RPRT
TI  - Landscape associations of frog and toad species in Iowa and Wisconsin, U.S.A
AU  - M. G. Knutson
AU  - J.R. Sauer
AU  - D.A. Olsen
AU  - M.J. Mossman
AU  - L.M. Hemesath
AU  - M.J. Lanoo
PY  - 2000
UR  - https://pubs.usgs.gov/publication/1003532
ID  - 1003532
ER  -