%0 Journal Article
%A H. Kaufmann 
%T Dynamic Differential Geometry in Education
%J Journal for geometry and graphics
%D 2009
%P 241-254
%V 13
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2009_13_2_JGG_2009_13_2_a9/
%F JGG_2009_13_2_JGG_2009_13_2_a9