TY  - BOOK
AU  - Singhal, N C 
TI  - Hybrid seed production in field crop
SN  - 8127207993
U1  - 631.521 SIN H 
PY  - 2003///
CY  - Ludhiana
PB  - Kalyani Publishers
KW  - Agriculture
KW  - G4221
ER  -