000 00357nam a2200157Ia 4500
008 200204s9999 xx 000 0 und d
082 _aASN 392.36
100 _a"Yadav, Rajiv"
245 0 _aManagement of sanitation and stwerage
260 _aMussoorie
260 _bLBSNAA
260 _c1989
300 _a18p.
650 _aSanitation
942 _cBK
999 _c61645
_d61645