อ้างอิง ของ กฎของสแน็ล

  1. David Michael Harland (2007). "Cassini at Saturn: Huygens results". p.1. ISBN 0-387-26129-X
  2. "Ptolemy (ca. 100-ca. 170)". Eric Weinstein's World of Scientific Biography. สืบค้นเมื่อ 2011-11-16.
  3. Wolf, K. B. (1995), "Geometry and dynamics in refracting systems", European Journal of Physics 16: 14–20.
  4. Rashed, Roshdi (1990). "A pioneer in anaclastics: Ibn Sahl on burning mirrors and lenses". Isis. 81 (3): 464–491. doi:10.1086/355456.
  5. Sara Cerantola, "La ley física de Ibn Sahl: estudio y traducción parcial de su Kitāb al-ḥarraqāt / The physics law of Ibn Sahl: Study and partial translation of his Kitāb al-ḥarraqāt", Anaquel de Estudios Árabes, 15 (2004): 57-95.
  6. Kwan, A., Dudley, J., and Lantz, E. (2002). "Who really discovered Snell's law?". Physics World. 15 (4): 64.{{cite journal}}: CS1 maint: multiple names: authors list (ลิงก์)

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