W. Wijesinghe, M. Mantilaka, A. Weerasinghe, K. N. de Silva, T. Gamagedara, and R. Rajapakse, “Colloidal Hydroxyapatite/Poly(Acrylic Acid) Hybrids Using Calcium Sucrate and Ammoniumdihydrogen Orthophosphate”, J. Appl. Sol. Chem. Model., vol. 5, no. 1, pp. 21–29, Jan. 2016.