TY  - BOOK
AU  - Sprague, G F.
TI  - Corn and Corn improvement/ (Acc: D 256)
SN  - 0891180990
U1  - 633.15 SPR. 
PY  - 1988///
CY  - America.
PB  - American Society of Agronomy.
KW  - Corn
ER  -