000 00271nam a2200121Ia 4500
008 180208s9999||||xx |||||||||||||| ||und||
020 _a6343
082 _a628
100 _aDUGGAL K.N
245 0 _aPUBLIC HEALTH ENGINEERING
260 _bNone
_c1984
650 _aBUILDING ; DRAWING
942 _cGBB
999 _c12839
_d12839