TY  - BK
AU  - Buringh,P.
AU  - Heemst,H.D.J.van
TI  - An estimation of world food production based on labour-oriented agriculture
U1  - 78-265486 
PY  - 1977///
CY  - Wageningen (Netherlands)
PB  - Centre for World Food Market Research, 
KW  - Development policies
KW  - Foods general
N1  - 20 ref.; Summary (En)
ER  -