Ératosthène
1982 / Eratosthenes' Geodesy Unraveled: Was There a High-Accuracy Hellenistic Astronomy? / Dennis Rawlins / Isis 73 (1982) p. 259 [lien]
1983 / Eratosthenes' Ratio for the Obliquity of the Ecliptic / David H. Fowler ; Dennis Rawlins / Isis 74 (1983) p. 556 [lien]
2002 / Eratosthenes, Hipparchus, and the obliquity of the ecliptic / Alexander Jones / Journal for the History of Astronomy 33 (2002) p. 15 [lien]
2015 / The Two Earths of Eratosthenes / Christián Carlos Carman ; James Evans / Isis 106 (2015) p. 1 [doi]