000 00367pam a2200145a 44500
082 _a628.1
_bH61m
100 _aHirsch, A. Adler
245 1 _aMANUAL FOR WATER PLANT OPERATORS
260 _aBrooklyn, N. Y.
_bChemical Pub.
_c1945
300 _a386
650 _aWater-Supply Engineering
650 _aWater -- Purification
964 _gCIRC
997 _a57460 C
999 _c436734
_d436734