TY  - BOOK
AU  - Frey,Kenneth J.
ED  - Plant Breeding Symposium
TI  - Plant Breeding II
SN  - 0813815509
AV  - SB123 .P56 1979
U1  - 631.5�19 
PY  - 1981///
CY  - Ames
PB  - Iowa State University Press
KW  - Plant-breeding
ER  -