TY  - BOOK
AU  - Kovacs, Margit
TI  - Biological indicators in environmental protection
T2  - Ellis Horwood series in environmental management, science and technology
SN  - 0130849898
AV  - QK 541.15.I5 Bio 
PY  - 1992///
CY  - New York
PB  - Ellis Horwood
KW  - Indicators (Biology)
KW  - ENVIRONMENTAL MONITORING
KW  - BIOLOGY
KW  - BIOCHEMICAL MARKERS
ER  -