1. Commun. Kamerlingh Onnes Lab., Leiden No. 346a;Van Dijk;Physica,1966
2. Mullins, J.C., Ziegler, W.T. and Kirk, B.S., Technical report No. 2, Project No. A-593 Engineering Experiment Station, Georgia Institute of Technology.
3. Molecular theory of gases and liquids;Hirschfelder,1954
4. Meeting of the Comité Consultatif de Thermométrie at the Bureau International des Poids et Mesures;Barber,1964