%0 Journal Article
%A G. Prieto Adanez
%A A. D. Velasco 
%T Training Visualization Ability by Technical Drawing
%J Journal for geometry and graphics
%D 2004
%P 107-115
%V 8
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2004_8_1_JGG_2004_8_1_a10/
%F JGG_2004_8_1_JGG_2004_8_1_a10