TY  - BOOK
AU  - Frey, Kenneth J.
TI  - Plant breeding: symposium held at Iowa state university
U1  - 631.52 
CY  - IOWA
PB  - IOWA state university press
KW  - Plant breeding
KW  - Cytogenetics
KW  - Mutation breeding
KW  - Pest resistance
KW  - Morphology
ER  -