TY  - BOOK
AU  - Allard,R.W.
TI  - Principles of plant breeding
SN  - 0471023108
AV  - SB123 .A5
U1  - 631.522 
PY  - 1960///
CY  - New York
PB  - Wiley
KW  - Plant breeding
N1  - Includes bibliography
ER  -