TY  - BOOK
AU  - Ravera O Ed.
ED  - Lectures of a coureses held at the joint research (1987 : Italy)
TI  - Ecological assesment of environmental degradation pollution and recovery
T2  - ISPRA courses on chemical  and enviormental science
U1  - D854:(G:55), M9 
PY  - 1989///
CY  - Amsterdam
PB  - Elsevier       
KW  - Environmental pollution
ER  -