TY  - BOOK
AU  - Allard,R W  .
TI  - Principles of plant breeding / 
SN  - 0471023155
U1  - 630.52 
PY  - 1984///
CY  - New York : 
PB  - Jons Wiley , 
KW  - AGRICULTURE
N1  - Includes glossary, index
ER  -