TY  - BOOK
AU  - Ross, W. A.
TI  - Recomendations for the use of DDT against agricultural insect pests in 1947
T2  - Processed publications
PY  - 1947///
CY  - Ottawa
PB  - Department of Agriculture. Division of Entomology
KW  - Control de plagas
KW  - DDT (Insecticida)
ER  -