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 [lien]