000 00279nam a2200109Ia 4500
008 201201s9999 xx 000 0 und d
082 _a628.1
100 _aSINGHAL,R.P.
245 0 _aTEXT BOOK ON WATER SUPPLY ENGINEERING
260 _bPATIALA, DMRS. S SINGHAL
_c1961
942 _cOB
999 _c17049
_d17049