References
- Cohen , M. R. and Drabkin , I. E. 1966 . A Source Book in Greek Science , Cambridge, Mass. : Harvard University Press .
- Finegold , M. 1976 . From Visual Rays to Particles: The Development of Theory in Optics , Toronto : OISE Press .
- Hilbert , D. and Cohn‐Vossen , S. 1952 . Geometry and the Imagination , New York : Chelsea Publishing Company .