TY  - BOOK
AU  - Ryan, J.G., ed.
AU  - Thompson, H.L.
TI  - Proceedings international workshop on socioeconomic constraints to development of semi-arid tropical agriculture Hyderabad, India 19-23 February 1979
PY  - 1979///
CY  - Patnacheru
PB  - International Crops Research Institute for the Semi-Arid Tropics
ER  -