TY  - BOOK
AU  - Ravera,Oscar
TI  - Terrestrial and aquatic ecosystems: perturbation and recovery 
SN  - 0139282017
PY  - 1991///
CY  - New York
PB  - Ellis Horwood
KW  - Ecology
KW  - Congresses
KW  - Man
KW  - Influence on nature
KW  - Restoration ecology
N1  - Includes indexes
ER  -