1. Ozone generated froth for sewage treatment;Foulds,1973
2. Ozone generated froth for sewage treatment;Foulds;Water Sew. Wks,1971
3. Harvesting and processing sewage-grown planktonic algae;Golueke;J. Water Poll. Control Fed.,1965
4. Foam separation of Escherichia Coli with a cationic surfactant;Grieves;Biotechnol. Bioengng,1966
5. The effect of pH on algal flotation;Henderson,1967