TY  - BOOK
AU  - Thomas, Mary.
TI  - Back crossing; the theory and practice of the backcross method in the breeding of some non-cereal crops
T2  - Commnwealth Bureau of Plant Breeding and Genetics, Technical Communication 16
U1  - 575.127.5:631.5 J2 
PY  - 1952///
CY  - Cambridge
PB  - Commnwealth Bureau of Plant Breeding and Genetics
KW  - Mary Thomas
KW  - Crossing over (Genetics),Breeding
ER  -