TY  - BOOK
AU  - Morrill, Wendell L.
TI  - Insect pests of small grains
U1  - PA 633.1 M6 
CY  - St. Paul Minn.
PB  -  American Phytopathological Society
KW  - Cereales
KW  -  plagas
KW  - Insectos parasitos y predatores
ER  -