TY  - BK
AU  - Schaffert,R.E.
ED  - Proceedings of a Workshop
TI  - Develop a strategy for collaborative research and dissemination of technology in sustainable crop production in acid savannas and other problem soils of the world
U1  - 338.16 
PY  - 1998///
CY  - Washington, DC (USA)
PB  - Rockefeller Foundation, 
ER  -