TY  - BK
AU  - Speth,J.G.
TI  - Towards sustainable food security
T2  - Sir John Crawford Memorial Lecture
PY  - 1994///
CY  - Washington, DC (USA)
PB  - CGIAR, 
KW  - Food production
KW  - Food supply
KW  - Natural resources
KW  - Resource conservation
KW  - Food security
KW  - AGROVOC
ER  -