TY  - GEN
AU  - 
TI  - Ecological indicators for the assessment of the quality of air, water, soil and ecosystems: Papers
SN  - 9027717087
PY  - 1983///
CY  - Dordrecht
PB  - D. Reidel Pub. Co.
KW  - Ecological Indicators
N1  - Reprinted for Environmental monitoring and assessment; Vol. 13, No. 324
ER  -