TY  - RPRT
TI  - Long-term persistence of dieldrin, DDT, and heptachlor epoxide in earthworms
AU  - W. N. Beyer
AU  - A. J. Krynitsky
PY  - 1989
UR  - https://pubs.usgs.gov/publication/5222276
ID  - 5222276
ER  -