000 00313nam a2200121Ia 4500
008 220201s1977 xx 000 0 eng d
082 _bMEH
100 _aMehata, J.C>
245 0 _aHalvitak; Humann settlements & environment health
260 _aDelhi
_bNew Asian Publishers
_c1977
300 _a440
942 _2ddc
999 _c17312
_d17312