TY  - BOOK
AU  - Mackenzie L Davis
AU  - David A Cornwell
TI  - Introduction to environmental engineering
SN  - 0070159114
U1  - 628 
PY  - 1991///
CY  - New york
PB  - Mc grow hill inc
KW  - Environmental engineering
KW  - Pollution
KW  - Waste management
ER  -