000 00276nam a2200109Ia 4500
008 201201s9999 xx 000 0 und d
082 _a628.7
100 _aSINGHAL, R.P.
245 0 _aTEXT BOOK ON SANITARY ENGINEERING
260 _bPATIALA, DMRS. S SINGHAL
_c1958
942 _cOB
999 _c17054
_d17054