TY  - BOOK
AU  - Allard,R.W.
TI  - Principles of plant breeding
SN  - 0471023108
U1  - 581 
PY  - 1976///
CY  - New York
PB  - Wiley
KW  - Plant breeding
KW  - Pflanzenzuchtung
N1  - Copy 2: 1960
ER  -