TY  - RPRT
TI  - Introduction: multiple stressors and declining amphibian populations: evaluating cause and effect
AU  - G. Linder
AU  - S.T. Branca
AU  - D. W. Sparling
AU  - S.K. Krest
PY  - 2003
UR  - https://pubs.usgs.gov/publication/5211240
ID  - 5211240
ER  -