16 FEB 2012 by ideonexus

 On The Revolutions of Heavenly Spheres

Books, Brochures, and Chapters>Book:  Hawking , Stephen and Copernicus , Nicolaus (2004-11-30), On The Revolutions of Heavenly Spheres, Running Pr Book Pub, Retrieved on 2012-02-16
  • Source Material [books.google.com]
    • Folksonomies: science
    Folksonomies: science
     1  
    16 FEB 2012 by ideonexus

     Three Copernican treatises

    Books, Brochures, and Chapters>Book:  Copernicus , Nicolaus (1939), Three Copernican treatises, Retrieved on 2012-02-16
  • Source Material [books.google.com]
    • Folksonomies: science
    Folksonomies: science
     1