Biological monitoring of the state of the environment :
Biological monitoring of the state of the environment : bioindicators /
edited by Janos Salanki.
- USA : The International Union of Biologica Sciencces ,
- vii, 73 p. : ill.
- Monograph Series, No. 1 .
185221015X
--Ecology
QH541.15.B4 / .I5
185221015X
--Ecology
QH541.15.B4 / .I5