%0 Journal Article
%T Analog Display of Ptolemaic and Copernican Orbits
%A Hafner, E. M.
%A Bilaniuk, O. M.
%J American Journal of Physics
%V 30
%N 9
%P 615-618
%@ 0002-9505
%D 1962-09-01
%I American Association of Physics Teachers
%~ DeepDyve