TY  - BOOK
AU  - FREY, Kenneth J
TI  - Plant breeding: A symposium held at Iowa state university
U1  - 575:631.52 
PY  - 1967///
CY  - Iowa
PB  - Iowa State University
KW  - Experimental design
KW  - Mutation breeding
KW  - Pest resistance
KW  - Plant breeding
KW  - Plant improvement
ER  -