References
- Adams , M. 1950 . Methods of study of bacterial viruses . Methods Med. Res. , 2 : 5 – 11 .
- Berg , G. and Berman , D. 1980 . Destruction by anaerobic mesophilic and thermophilic digestion of viruses and indicator bacteria indigenous to domestic sludges . Appl. Environ. Microbiol , 39 : 361 – 368 .
- Jones , F. and Watkins , J. The water cycle as a source of pathogens . J. Appl. Bacteriol., Symposium Supplement . pp. 27S – 36S .
- Lund , E. 1976 . “ Disposal of sludges ” . In Viruses in Water , Edited by: Berg , G. , Bodily , H.L. , Lennette , E.H. , Melnick , J.L. and Metcalf , T.G. 196 – 205 . Washington , D.C : American Public Health Association . In
- Shimohara , E. , Sugishima , S. and Kaneko , M. 1985 . Virus removal by activated sludge treatment . Water Sci. Technol. , 17 : 153 – 158 .
- Tierney , J.T. , Sullivan , R. and Larkin , E.P. 1977 . Persistence of poliovirus 1 in soil and on vegetables grown in soil previously flooded with inoculated sewage sludge or effluent . Appl. Environ. Microbiol. , 33 : 109 – 113 .