TY  - BOOK
AU  - Symposium on Ecological Indicators for the Assessment of the Quality of Air, Water, Soil and Ecosystems, Utrecht, Oct.1982
TI  - Ecological indicators for the assessment of the quality of air, water, soil and ecosystems; papers presented
U1  - 577.4(430) 1982.10.14/.15 (082.2) M3 
PY  - 1983///
CY  - Dordrecht
PB  - D.Reidel
KW  - Edited  E.P.H.Best and J.Haeck.
KW  - Ecology-Indicators,Ecotoxicology
ER  -