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- [44] OCCURRENCE AND FREQUENCY OF BACTERIA IN THE SPHERE OF DRINKING-WATER WITH ANTAGONISTIC RELATIONS AGAINST INDICATOR BACTERIA ZENTRALBLATT FUR BAKTERIOLOGIE MIKROBIOLOGIE UND HYGIENE SERIE B-UMWELTHYGIENE KRANKENHAUSHYGIENE ARBEITSHYGIENE PRAVENTIVE MEDIZIN, 1987, 184 (06): : 515 - 524