TY  - BOOK
AU  - Singh,B.D..
TI  - Plant breeding : principles and methods / 
SN  - 8170963087
U1  - 631.52 
PY  - 1990///
CY  - Kolkata : 
PB  - Kalyani Publishers , 
KW  - PLANT BREEDING
N1  - Includes references and index
ER  -