000 00493nam a22001817a 4500
005 20220323122118.0
008 220323b xxu||||| |||| 00| 0 eng d
020 _a978 81 203 2893 8
_cRs.225.00
040 _aRBU-Library
041 _aEnglish
082 _a333.7
_bR215
100 _aRao, P Venugopala
245 _aPrinciples of environmental science and engineering
260 _aNew Delhi:
_bPHI Learning
_c2012
300 _a276p.
650 _aEnvironmental sciences
942 _cBK
999 _c119268
_d119268