1. Berg, G. (1984). Monitoring for Virus Disseminated in Water. Monographs in Virology, 15, 17–29.
2. Bitton, G., Pancorbo, O.C. and Farrah, S.R. (1984). Virus Transport and Survival After Land Application of Sewage Sludge. Applied and Environmental Microbiology, 47, 905–909.
3. Damgaard-Larsen, S., Jensen, K.O., Lund, E. and Nissen, B. (1977). Survival and movement of enterovirus in connection with land disposal of sludges. Water Research, 11, 503–508.
4. Dean, R.B. and Lund, E. (1981). Water Reuse. Problems and Solutions. Academic Press 1981.
5. Dizer, H., Nasser, A. and Lopez, J.M. (1984). Penetration of Different Human Pathogenic Viruses into Sand Columns Percolated with Distilled Water, Groundwater or Wastewater. Applied and Environmental Microbiology, 47, 409–415.