TY  - BOOK
AU  - Mitsch, William J., ed.
AU  - Jorgensen, Sven Erik., ed.
TI  - Ecological engineering: an introduction to ecotechnology
SN  - 0471625590
U1  - 620.85 
PY  - 1989///
CY  - New York
PB  - Wiley
ER  -