TY  - BOOK
AU  - Brazzel, J. R
TI  - Toxicity of certaín insecticides against bollworms and tobacco budworms
CY  - College Station, Texas
PB  -  Agricultural Experiment Station
KW  - Insecticidas
KW  -  Toxicidad  Heliothis virescens  Control de plagas
ER  -