TY  - BOOK
AU  - Williams,Watkin
TI  - Genetical Principles and Plant Breeding
T2  - Botanical monographs
U1  - 581.15 18
PY  - 1964///
CY  - Oxford
PB  - Blackwell Scientific Publications
KW  - Plant breeding
KW  - Genetics
KW  - Plants
N1  -  includes bibliography and index
ER  -