1. A.L. Lydersen, Univ. Wisconsin Coll. Eng., Eng. Exp. Sin. rept. 3, Madison, WL, April 1955.
2. Reliability Analysis of Group-Contribution Methods in Predicting Critical Temperatures of Organic Compounds
3. The Properties of Gases and Liquids;Poling,2000
4. D. Ambrose, National Physical Laboratory, Teddington, NPL Rep. Chem. 92 (1978, 1980).