Reference Label	Details
Verkade 1926	P. E. Verkade, H. Hartman, and J. Coops, Rec. Trav. Chim. 45, 373-393 (1926) Calorimetric Researches. X. Heats of Combustion of Successive Terms of Homologous Series: Dicarboxylic Acids of the Oxalic Acid Series
as quoted by Cox 1970	as quoted by Cox 1970