TY  - BK
AU  - Ladha,J.K.
AU  - Hardy,B.
AU  - Yadvinder-Singh
AU  - Erenstein,O.
TI  - Integrated crop and resource  management in the rice-wheat system of South Asia
SN  - 9789712202476
U1  - 338.19 
PY  - 2009///
CY  - Los Baños (Philippines)
PB  - IRRI, 
N1  - Reference only
ER  -