TY  - BOOK
AU  - Hayes, Herbert Kendall
AU  - Immer, Forrest, Rhinehart, jt.auth
TI  - Methods of plant breeding
T2  - Mc Graw-Hill Publications in the Agricultural Sciences
U1  - 631.52 H2 
PY  - 1942///
CY  - New York
PB  - Mc Graw-Hill
KW  - Plant-breeding,Crop yields-breeding methods
ER  -