000 00287nam a2200121Ia 4500
008 220201s2000 xx 000 0 eng d
041 _aENG
100 _aSHARMA, J L
245 0 _aPUBLIC HEALTH ENGINEERING
260 _aNEW DELHI
_bSATYA PRAKASHAN
_c2000
300 _a514
942 _2ddc
999 _c62875
_d62875