au.\*:("HECKROTH CW")
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SONICS+OZONE A WINNERHECKROTH CW.1974; WAT. WASTES ENGNG; U.S.A.; DA. 1974; VOL. 11; NO 6; PP. 41-43Article
DRINKING WATER REGULATIONS, WHAT'S THE LATEST IMPACT.HECKROTH CW.1978; WAT. WASTES ENGNG; USA; DA. 1978; VOL. 15; NO 8; PP. 22-32Article
FUTURE OF DESALTING IS BRIGHT BUT COSTS MUST DROPHECKROTH CW.1974; WAT. WASTES ENGNG; U.S.A.; DA. 1974; VOL. 11; NO 7; PP. 20-54 (7 P.)Article