000 00315pam a2200133a 44500
082 _a628.1
_bT936t
100 _aTwort, Alan Charles
245 1 _aTEXTBOOK OF WATER SUPPLY
260 _aN. Y.
_bElsevier Pub.
_c1963
300 _a422
650 _aWater-Supply Engineering
964 _gCIRC
997 _a72559 C
999 _c436785
_d436785