TY  - BOOK
AU  - Hayes Herbert Kendall
AU  - Immer Forrest Rhinehart
AU  - Smith David Clyde,
TI  - Methods of plant breeding 
T2  - McGraw Hill Publications in the Agricultural Sciences 
U1  - 581.56 
PY  - 1955///
CY  - New York
PB  - McGraw Hill Book Company, Inc.,.
ER  -