TY  - RPRT
TI  - Polyethylene as a source of artifacts in the paper chromatography of chlorinated hydrocarbon insecticides
AU  - C.C. Van Valin
AU  - B.J. Kallman
AU  - J.J O’Donnell
PY  - 1963
UR  - https://pubs.usgs.gov/publication/70171211
ID  - 70171211
ER  -