000 00495pam a2200181a 44500
008 160408b2004 xxu||||| |||| 00| 0 eng d
020 _a0865879729
082 _a628
_bG959I2
100 _aGupta,Ram S.
245 1 _aINTRODUCTION TO ENVIRONMENTAL ENGINEERING AND SCIENCE
250 _a2nd
260 _a
_bGovernment Institutes, Maryland
_c2004
300 _axxv,532
650 _aEnvironmental Sciences
650 _aEnvironmental Engineering
964 _gCIRC
997 _aA154794 C
999 _c335720
_d335720