TY  - BOOK
AU  - Best,E.P.H.
AU  - Haeck,J.
ED  - Symposium on Ecological Indicators for the Assessment of the Quality of Air, Water, Soil and Ecosystems (1982 : Utrecht)
TI  - Ecological indicators for the assessment of the quality of air, water, soil, and ecosystems: papers presented at a Symposium held in Utrecht, October 1982 
SN  - 9027717087
PY  - 1983///
CY  - Dordrecht
PB  - Boston
KW  - Ecology
KW  - Soil pollution
KW  - Air
KW  - Pollution
KW  - Water
ER  -