TY  - BOOK
AU  - Davis, Mackenzie L.
TI  - Principles of environmental engineering and science
SN  - 0-07-119449-5
PB  - Mc Graw-Hill
UR  - http://krc.clri.res.in:80/cgi-bin/koha/opac-detail.pl?biblionumber=11102
ER  -