000 00427 a2200157 4500
020 _a81-297-0277-0
080 _a628:504
_bMAS
090 _c1824
_d1824
100 _aMasters, Gilbert M
245 _aIntroduction to environmental engineering and science
250 _a2nd ed.
260 _aNew Delhi
_bPearson Education, c
_c1998
300 _a651p.
650 _a628:504
_xEnvironmental engineering
942 _cBK
_k628:504 MAS
999 _c332063
_d332063