TY  - BOOK
AU  - Lawrence,William J.K.
TI  - Plant breeding
T2  - The Institute of Biology's Studies in Biology; 
SN  - (paperback)
AV  - SB123 L39 
PY  - 1968///
CY  - London
PB  - Edward Arnold
KW  - Plant breeding
N1  - Includes bibliographical references
ER  -