000 00422cam a2200169ua 4500
020 _a81-219-0012-3
041 _aeng
_h
082 _a628.01
_bDUG/EL
100 _aDuggal, K N .
245 _aElements of public health engineering /
_cK N Duggal.
_hTextual Documents
250 _a4 /
_b.
260 _aNew Delhi :
_bS.Chand and Co ,
_c1995.
300 _a488 ; .
504 _a
942 _cBK
999 _c5286
_d5286