TY  - BOOK
AU  - George,John L.
TI  - The pesticide problem: a brief review of present knowledge and suggestions for action 
AV  - QH545.P4 G45
U1  - 632.95 23
PY  - 1957///
CY  - New York
PB  - Conservation Foundation
KW  - Pesticides
KW  - Environmental aspects
N1  - Bibliografía: p. 49-57
ER  -