TY  - BOOK
AU  - Lawrence,William John Cooper
TI  - Plant breeding
T2  - Institute of Biology. Studies in biology
SN  - 0713122048
AV  - SB123 .L39 1971
PY  - 1968///
CY  - London
PB  - Edward Arnold
KW  - Plant breeding
N1  - Bibliography: p. [57]-[58]
ER  -