unité
1931 / Jefferson's Efforts towards the Decimalization of United States Weights and Measures / C. Doris Hellman / Isis 16 (1931) p. 266 [lien]
1935 / Studies in Medieval Metrology / Mary Catherine Welborn / Isis 24 (1935) p. 15 [lien]
1955 / A Sixteenth-Century Decimal System of Weights / Cyril Stanley Smith / Isis 46 (1955) p. 354 [lien]
1987 / The origin and value of the stadion unit used by Eratosthenes in the third century B.C. / Edward Gulbekian / Archive for history of exact sciences 37 (1987) p. 359 [doi]