TY  - BOOK
AU  - Amold, G.W. ed.
TI  - Critical evaluation of systems analysis in ecosystems research and management
SN  - 9022005933
U1  - 577.4.001 N76 
PY  - 1976///
CY  - Wageningen
PB  - Centre for Agricultural publishing & Documentation
KW  - Ecosystem research
ER  -