1. Detergents;Chemical Week,1969
2. Synthetic Detergents;Davidsohn,1967
3. Studies in the occurrence and degradation of condensed phosphate in surface waters;Engelbrecht;Sew. Ind. Wastes,1959
4. The phosphorus content of sewage during treatment at various works of the Birmingham Tame and Rea District Drainage Board;Harkness,1958
5. Loss of phosphorus during sewage purification;Jenkins;Nature,1943