Reference Label	Details
Fletcher 1970	R. A. Fletcher and G. Pilcher, Trans. Faraday Soc. 66, 794-799 (1970) Measurements of Heats of Combustion by Flame Calorimetry. Part 6. Formaldehyde, Glyoxal
note std dev	Originally one std. dev. was given and was multiplied by 2 (for large or unknown number of measurements) or the appropriate Student-t factor (for a smaller number of determinations) to come closer to the desired 95% confidence limit.