Studies on the lsothermal Solubility of the Systems CaSO 4-Ca(H 2PO 4)-CO(NH 2) 2-H 2O and Ca(H 2PO 4) 2-CO(NH 2) 2-H 2O at 25°C
Zhang Feng-Xing, Yang Qin, Cui Bin, Zhao Xiao-Li, Duan Chao-Yang
Acta Phys. -Chim. Sin. . 2000, (01): 27 -30 .  DOI: 10.3866/PKU.WHXB20000106