P. J. Newman

• Anaerobic digestion of sewage sludge and organic agricultural wastes
• Environmental protection of the North Sea
• Methods of characterization of sewage sludge
• Newdevelopments in processing of sludges and slurries
• Treatment of sewage sludge
• A select partially annotated bibliography of works of criticism on Samuel Richardson's Sir Charles Grandison (1753-54)published in the twentieth century
• Classification of surface water quality
• Recent developments in sewage sludge processing
• Summary report on environmental developments
• Surface water quality assessment in EC member states (LS 9349 SLD)