TY  - BOOK
AU  - Wilson,Harold K.
TI  - Grain crops
U1  - 633.1 
PY  - 1948///
CY  - New York
PB  - McGraw-Hill
KW  - Grain
KW  - Diseases and pests
KW  - Crop rotation
KW  - Varieties
N1  - Includes index
ER  -