1. Thermodynamics of He3 and He4 Solutions above the λ Temperature of Pure He4
2. T. R. Roberts and B. K. Swartz, inProceedings of the Second Symposium on Liquid and SolidHe3 (Ohio State University Press, Columbus, Ohio, 1960), pp. 158–172.
3. Thermodynamic Properties of He3 and He4 Solutions. II. Temperatures Above the Superfluid Transition in Solution
4. In II, GE for this case was inadvertently quoted without the third term given in Eq. (3) here.
5. T. R. Roberts and B. K. Swartz (private communication). We are grateful to Professor Roberts for sending us their detailed numerical results which were partially reported in graphic form in their paper (Ref. 2).