TY  - BOOK
AU  - S.D. Dhiman
AU  -  M.K. Choudhary D.V.S. Panwar  K.S. Verma
TI  - Symposium on sustainability of rice wheat system in India
U1  - 633.18 
PY  - 1994///
CY  - Karnal
PB  - CCS Haryan Agricultural University , Regional Research Station
ER  -