Related online material

  • ...

My books

  • Benz W., Brennpunktsörter ebener Schnitte einer Fläche zweiten Grades, Beilage zum Jahresbericht des Gymnasiums Burgdorf 1909-1910, Buchdrückerei Gebr. Leemann & Co., Zürich-Selnau, 1910, (Xerox copy).
  • Bromwich, T. J., I'A., Quadratic Forms and their Classification by means of Invariant-Factors, Hafner Publishing Co., New York, 1906.
  • Cockshott, A., Walters, F. B., A Treatise on Geometrical Conics, Second Edition, Macmillan and Co., Limited, London, 1927 (1889).
  • Coolidge, J. L., A History of the Conic Sections and Quadric Surfaces, Oxford at the Clarendon Press, 1945.
  • Downs, J. W., Practical Conic Sections: The Geometric Properties of Ellipses, Parabolas and Hyperbolas, Dover Publications Inc., Mineola, New York, 2003 (1993), ISBN 0-486-42876-1.
  • Huber, G., Die Kegelfokalen, Buchdrückerei Karl Stämpfli & Cie., Bern, 1893, (Xerox copy).
  • Merz, K., Parallelflächen und Centralfläche eines besonderen Ellipsoides - und die Steinerische Fläche, Buchdrückerei Manatschal Ebner & Cie, Chur, 1914, (Xerox copy).
  • Salmon, G., A Treatise on Conic Sections, Sixth Edition, Chelsea Publishing Company, New York, N.Y.


Page last modified by May 05, 2005, at 02:34 PM