TY  - BOOK
AU  - Gossard, H. A.
TI  - Winter practice in economic zoology
U1  - PA-C 632.9 T4 
CY  - Wooster, Ohio
PB  -  Agricultural Experiment Station
KW  - Control de plagas  Zoología económica
N1  - Encuadernado con: The hessian fly in Ohio/C.E. Thorne
ER  -