TY  - BK
AU  - Binswanger,H.P.
AU  - Shetty,S.V.R.
TI  - Economic aspects of weed control in semi-arid tropical areas of India
T2  - Economics program. Occasional paper
PY  - 1977///
CY  - Hyderabad (India)
PB  - ICRISAT, Economics Dept., 
ER  -