Le Système international d'unités (SI), Sèvres, Bureau international des poids et mesures, , 3eéd., 48p. (lire en ligne[PDF]), p.17: «Cette valeur est celle de la calorie dite «IT» (5th International Conference on Properties of Steam, Londres, 1956).»
(en) James Prescott Joule, «On the Heat evolved by Metallic Conductors of Electricity, and in the Cells of a Battery during Electrolysis», Philosophical Magazine, vol.19, no124, , p.260 (DOI10.1080/14786444108650416, lire en ligne).
(en) James Prescott Joule, «On the Heat evolved by Metallic Conductors of Electricity, and in the Cells of a Battery during Electrolysis», Philosophical Magazine, vol.19, no124, , p.260 (DOI10.1080/14786444108650416, lire en ligne).
(en) James L. Hargrove, «History of the Calorie in Nutrition», The Journal of Nutrition, vol.136, no12, (DOI10.1093/jn/136.12.2957).