TY  - BOOK
AU  - Walter, E.V.
TI  - The biology and control of the sorghum midge
U1  - PA-C 634 N4 1933 
CY  - Washington, D.C.
PB  -  USDA
KW  - Contarina sorghicola
KW  - Sorgo
KW  -  enfermedades
KW  -  plagas
N1  - Encuadernado con: Orhard insects of the pacific northwest and their control / by E.J. Newcomer
ER  -