1. Comparative dissolution rates of enamel dentin, and bone. I. Effect of the organic matter;Apostolopoulos;J. dent. Res.,1966
2. First dissociation constant of phosphoric acid from 0 ° to 60 °C: Limitations of the electromotive force method for moderately strong acids;Bates;J. Res. NBS (U.S.),1951
3. pH of aqueous mixtures of potassium dihydrogen phosphate and disodium hydrogen phosphate at 0 °–60 °C;Bates;J. Res. NBS (U.S.),1945
4. Electrometrische Messungen mit Wasserstaffelektroden in mischungen von sauren und basen mit salzen die dissoziationskonstanten von wasser, phosphorsaure, citronensaure and glycin;Bjerrum;Det Kgl. Danske Videnskaberanes Selskab. (Mat.-fys.),1929