TY  - BOOK
AU  - Mitsch,William J.
AU  - Jorgensen,Sven Erik,b.1934
TI  - Ecological engineering: an introduction to ecotechnology 
SN  - 0471625590
PY  - 1989///
CY  - New York
PB  - John Wiley & Sons
KW  - Environmental engineering
KW  - Case studies
KW  - Human ecology
ER  -