Reference Label	Details
as quoted by Cox 1970	as quoted by Cox 1970
note unc	The quoted uncertainty appeared to correspond to one std dev. and was multiplied by 2 to come closer to the desired 95% confidence limit
Mansson 1963	M. Månsson and S. Sunner, Acta Chem. Scand. 17, 723-727 (1963) The Heat of Formation of Sulphuric Acid