Albright, F., Sulkowitch, H.W., Chute, R., Nonsurgical Aspects of the Kidney Stone Problem . J. A. M. A., 113: 2049, 1939.
2.
Hatch, G.B., AND Rice, 0., Surface-Active Properties of Hexametaphosphate. Indust. and Eng. Chem., 31: 51, 1939.
3.
Rice, O. AND Partridge, E.P., Threshold Treatment. Elimination of Calcium Carbonate Deposits from Industrial Waters. Indust. and Eng. Chem., 31: 58, 1939.