000 00313 a2200109 4500
999 _c123211
_d123211
082 _a628.162 UNI/Was
110 _aUnited Nations
245 _aWaste water treatment technologies: A general review
260 _aNew York
_bUnited Nations
_c2003
300 _ax, 121p.
_c28cm
650 _aUnited Nations Collection