TY  - BOOK
AU  - Gossard, H. A.
AU  - Houser, J.
TI  - The hessian fly
U1  - PA-C 632.9 T4 
CY  - Wooster, Ohio
PB  -  Agricultural Experiment Station
KW  - Control de plagas  Phytophaga destructor
N1  - Encuadernado con: The hessian fly in Ohio/C. E. Thorne
ER  -