000 00559nam a2200157Ia 45e0
008 140109n1971 ii |||gr||||Z||||||eng
082 _a628
100 _aDuggal, K. N.,
_eAuthor.,
245 0 _aElements of Publice Health Engineering
_cK. N. Duggal
_hTextual Documents
250 _a2nd.
260 _aNew Delhi
_bS. Chand & Co.
_c1971
300 _a386.
653 _aPublice Health Engineering
653 _aSanitary & municipal engineering
942 _2ddc
_cTXT
999 _c28827
_d28827