Citation: Counsell, J.F.; Martin, J.F.; Dell, R.M.; Junkison, A.R. (1968). Thermodynamic properties of uranium compounds. Part 4. Low-temperature heat capacities and entropies of U S - U P solid solutions. Thermodyn. Nucl. Mater., Proc. Symp., Vienna, 1967, pp. 385-394.