TY  - BOOK
AU  - K.S. Gangwar
AU  -  G.C. Sharma S.K. Sharma  A.K. Singh
TI  - Rice- Wheat : Cropping system in samastipur district of north bihar India
U1  - 633.18 
CY  - Meerut
PB  - Project Directorate for Cropping Systems Research
ER  -