%0 Journal Article
%A G. Maresch
%A S. A. Sorby 
%T Perspectives on Spatial Thinking
%J Journal for geometry and graphics
%D 2021
%P 271-293
%V 25
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2021_25_2_JGG_2021_25_2_a10/
%F JGG_2021_25_2_JGG_2021_25_2_a10