TY  - BOOK
AU  - Quisenberry, Karl S.
TI  - Wheat and wheat improvement
T2  - Agronomy
U1  - 633.11 
PY  - 1973/// (c.1967)
CY  - Madison, Wis.
PB  - American Society of Agronomy
KW  - Trigo
KW  - Mejoramiento
ER  -