TY  - BOOK
AU  - Fehr , Walter R
AU  - Hadley , Henry H
TI  - Hybridization of crop plants
SN  - 0891180346
U1  - 631.523 
PY  - 1980///
CY  - USA
PB  - American Society of Agronomy
KW  - PLANT BREEDING
KW  - HYBRIDIZATION
ER  -