References for Zhang Heng

  1. D R Knechtges (trns.), Wen Xuan, or Selections of Refined Literature 1 (Princeton, New Jersey, 1982).
  2. J-C Martzloff, A history of Chinese mathematics (Berlin-Heidelberg, 1997).
  3. J-C Martzloff, Histoire des mathématiques chinoises (Paris, 1987).
  4. J Needham, Science and Civilisation in China III (Cambridge, 1959).
  5. Ngo van Xuyet, Divination, Magie et Politique dans la Chine Ancienne (Paris, 1976).
  6. F Ye, The History of the Eastern Han Dynasty (Chinese) 12 (Beijing, 1965).
  1. Z Jin, A critique of 'Zhang Heng's theory of a spherical earth', in Chinese studies in the history and philosophy of science and technology (Dordrecht, 1996), 427-432.
  2. S K Mo, The ratio of circumference to diameter according to Heng Zhang (Chinese), J. Northwest Univ. 26 (4) (1996), 359-362.