TY  - BOOK
AU  -  Duiker,Sjoerd W.
TI  -  Research in an Ecoregional framework for sustainable land use and fo od production : :  report of a symposium / 
U1  -  333.73 DUI 
PY  - 1996///
CY  -  [s.l.]: 
PB  -  International Service for National Agricultural Research, 
KW  -  Land use
KW  -  Food industry and trade
ER  -