Yassine, T., R. Baidoun, J. Stas, and R. Al-Merey. “PREPARATION OF FEED GRADE DICALCIUM PHOSPHATE FROM COMMERCIAL PHOSPHORIC ACID”. Hungarian Journal of Industry and Chemistry, vol. 30, no. 4, Oct. 2002, pp. 247-51, doi:10.1515/hjic-2002-44.