TY  - BOOK
AU  - Plant Breeding Symposium (2nd : 1979 : Iowa State University)  
AU  - Frey, K.J.
TI  - Plant breeding II
SN  - 0813815509
PY  - 1981///
CY  - Ames
PB  - Iowa State University
KW  - Plant breeding--Congresses
ER  -