Transformation of calcium dihydrogenphosphate in mixtures with apatite concentrate upon heatingPõldme, Meeme; Põldme, Juta; Utsal, K.Phosphorus, sulfur and silicon and the related elements1990 / p. 442 Transformation of calcium dihydrogenphosphate in mixtures with apatite concentrate upon heatingPõldme, Meeme; Põldme, JutaXI. International Conference on Phosphorus Chemistry, Tallinn, USSR July 3-7, 1989 : abstracts of posters. II1989 / [p. 87] https://www.ester.ee/record=b1209881*est