1. Berg G. 1973. Discussion of: Concentration of viruses from seawater p. 117-118. In S. H. Jenkins (ed.) Advances in water pollution research. Pergamon Press Ltd. Oxford England.
2. Reasmessent of the virus problem in sewage and in surface and renovated waters;Berg G.;Prog. Water Technol.,1973
3. Recovery of small quantities of viruses from clean waters on cellulose nitrate membrane filters;Berg G.;Appl. Microbiol.,1971
4. Berg G. and T. G. Metcalf. 1978. Indicators of viruses in water p. 267-296. In G. Berg (ed.) Indicators of viruses in water and food. Ann Arbor Science Publishers Inc. Ann Arbor Mich.
5. BGM, a continuous cell line more sensitive tham primary rhesus and African green kidney cells for the recovery of viruses from water;Dahling D. R.;Health Lab. Sci.,1974