TY  - BOOK
AU  - Davis, M.L
AU  - Masten, S.D
TI  - Principles of Environmental Engineering and science
SN  - 9780071287807
AV  - TA 145.D3 2004 
PY  - 2004///
CY  - New york
PB  - Mc Graw- hills
KW  - Environmental control
KW  - Environmental- effects
KW  - Environmental - stresses
ER  -