Making a clock- accurate sundial

Antzeko izenburuak

• Biological clocks
  nork: Manorama, Jafa
  Argitaratua: (1979)
• The quantum beat : the physical principles of atomic clocks
  nork: Major, F. G.
  Argitaratua: (1998)
• Clock of Ages: Why We Age-How We Age-Winding Back the Clock
  nork: Medina, John. J
  Argitaratua: (1996)
• Five Clocks, with and Introduction
  nork: Joos, Martin
  Argitaratua: (1967)
• Biological clock: two views
  nork: BrownJr, Frank A
  Argitaratua: (1970)