@inbook {10629, title = {Thermodynamic quantities characteristic of multi-component system.}, booktitle = {Comprehensive Handbook of Calorimetry and Thermal Analysis}, year = {2004}, publisher = {John Wiley \& Sons}, organization = {John Wiley \& Sons}, chapter = {1.1.2}, address = {New York}, isbn = {4-621-04486-9}, author = {Koga,Yoshikata}, editor = {Sorai, M.} }