TY  - RPRT
TI  - Organochlorine residues in bat guano from nine Mexican caves, 1991
AU  - Donald R. Clark
AU  - A. Moreno-Valdez
AU  - Miguel A. Mora
PY  - 1995
DO  - 10.1007/bf00116344
UR  - https://pubs.usgs.gov/publication/5222692
ID  - 5222692
ER  -