TY  - RPRT
TI  - A field guide to amphibian larvae and eggs of Minnesota, Wisconsin, and Iowa
AU  - J.R. Parmelee
AU  - M. G. Knutson
AU  - J.E. Lyon
PY  - 2002
UR  - https://pubs.usgs.gov/publication/2001205
ID  - 2001205
ER  -