000 00388nam a2200157Ia 4500
008 240415s9999||||xx |||||||||||||| ||und||
020 _cRS 140.00
040 _aSCVE
082 _a628 KEE,S
100 _aKeerthi Narayana,S
245 0 _aPrinciples of Environmental Science and Engineering.
250 _a1st.
260 _aChennai
_bHi-tech
_c2005
300 _a265p.
942 _cBK
999 _c194589
_d194589