000 00475nam a22001817a 4500
005 20170424171259.0
008 170424b xxu||||| |||| 00| 0 eng d
020 _a978 81 203 1930 1
_cRs.250.00
040 _aRBU-Library
041 _aEnglish
082 _a333.7
_bR215
100 _aRao, P Venugopala
245 _aTextbook of environmental engineering
260 _aDelhi:
_bPHI Learning,
_c2015
300 _a268p.
650 _aEnvironmental science
942 _cBK
999 _c100942
_d100942