The hessian fly in Pennsylvania /
Hill, C. C.
The hessian fly in Pennsylvania / C. C. Hill and H. D. Smith - Harrisburg, Pa. : Department of Agriculture - 11 p. - Díptera; 7 .
Encuadernado con otros impresos similares
201750
Dipteros Hessian flies
PA-C 595.77 D5
The hessian fly in Pennsylvania / C. C. Hill and H. D. Smith - Harrisburg, Pa. : Department of Agriculture - 11 p. - Díptera; 7 .
Encuadernado con otros impresos similares
201750
Dipteros Hessian flies
PA-C 595.77 D5