TY  - JA
AU  - Van Keulen,H.
AU  - De Wit,C.T.
TI  - To what extent can agricultural production be expanded?
SN  - 0253-1542
U1  - 87-046162 
PY  - 1984///
KW  - Agronomic characters
KW  - AGROVOC
KW  - Development policies
KW  - Mathematics
KW  - Nature conservation and land resources
KW  - Plant ecology
KW  - Production
KW  - Productivity
KW  - Profitability
N1  - 10 graphs, 15 ref., Summaries (En, Es)
T2  - Options Mediterraneennes
ER  -