1. Transmission of Viruses by the Water Route;Berg,1967
2. Virus removal in sewage treatment;Bush,1966
3. Virologic assessment of sewage at Santee, California;Beatrice,1967
4. La recherche des virus dans les eaux d'égout de surface et d'alimentation en Meurthe-et-Moselle I;Foliquet;Rev. hyg. med. Soc.,1965
5. Isolations of enteric viruses from sewage and river water in a metropolitan area;Lamb;Am. J. Hyg.,1964