TY  - BOOK
AU  -  Richard,A.J.
TI  -  Plant breeding systems / 
SN  -  0412574500
U1  -  631.52 RIC 
PY  - 1997///
CY  -  London : 
PB  -  Chapman and Hall, 
KW  -  Plant breeding
N1  -  Includes bibliographical references and index
ER  -