TY  - BOOK
ED  - School of Agriculture Cambridge, England
TI  - Imperial Bureau of Plant Genetics( for crops other than herbage) 
U1  - 575 21st ed.
PY  - 1934///
CY  - Cambridge
PB  - School of Agriculture
KW  - Plant Genetics, Plant Breeding, Origin of spicies
N1  - January 1st, 1934
ER  -