000 00458nam a22001817a 4500
001 12152
003 BD-DhUET
008 150224b xxu||||| |||| 00| 0 eng d
040 _aDLC
_cDLC
_dBD-DhUET
082 _a628
_bDUG/1984
100 _a Duggal, K. N.
245 _aElements of public health engineering
250 _a3rd ed.
260 _aNew Delhi
_bS. Chand
_c1984
300 _a412p.
_b illus.
650 0 _aPublic health engineering
942 _cGB
999 _c12152
_d12152