1. Hydrolysis of condensed phosphates—I: Non-sterile environments;Clesceri;Air & Wat. Pollut. Int. J.,1965
2. Studies in the occurrence and degradation of condensed phosphate in surface waters;Engelbrecht;Sewage ind. Wastes,1959
3. Chemical composition of the particulate fractions of domestic sewage;Heukelekian;Sewage ind. Wastes,1959
4. Use of paper chromatography for differential analysis of phosphate mixtures;Karl-Kroupa;Analyt. Chem.,1956
5. Studies on the analysis of phosphates in algae culture;Lee;Air & Wat. Pollut. Int. J.,1965