TY  - BOOK
AU  - Ravera,O.
ED  - Commission of the European Communities.
TI  - Ecological assessment of environmental degradation, pollution, and recovery: lectures of a course held at the Joint Research Centre, Ispra (Italy), 12-16 October 1987 
SN  - 0444873619 (U.S.)
AV  - TD193 .E24 1989
U1  - 574.5/222 19
PY  - 1989///
CY  - Amsterdam, New York
PB  - Published for the Commission of the European Communities by Elsevier
KW  - Environmental chemistry
KW  - Biotic communities
KW  - Environmental degradation
N1  - Includes bibliographical references
ER  -