TY  - GEN
AU  - Paroda, R.S. 
AU  - Singh, R.B. 
AU  - Wodhead, Terence 
TI  - Sustainability of rice-wheat production systems in Asia 
SN  - 8120410068
U1  - 633.1 
PY  - 1993///
CY  - New Delhi
PB  - Oxford & IBH Publishing
KW  - Field and plantation crops
KW  - Cereals
ER  -