TY  - BOOK
AU  - Mc Ewen, F.L.
TI  - Use and significance of pesticides in the environment
U1  - 632.9 M13U 
PY  - 1979///
CY  - N.Y.
PB  - Wiley
KW  - PESTCIDES
KW  - PESTICIDES -- ENVIRONMENTAL ASPECTS
ER  -