1. Transmission of Viruses by the Water Route;Berg,1967
2. Virucidal effects of chlorine on waste water;Burns;J. Wat. Pollut. Control Fed.,1967
3. The reclamation of sewage effluent for domestic use;Cillie,1967
4. Retention and recovery of poliovirus on a soluble ultra-filter;Gärtner,1967
5. Relation of coliform organisms to enterovirus pollution;Gilcreas;J. Am. Wat. Wks Ass.,1955