TY  - JOUR
AU  - G. Maresch
AU  - S. A. Sorby 
TI  - Perspectives on Spatial Thinking
JO  - Journal for geometry and graphics
PY  - 2021
SP  - 271
EP  - 293
VL  - 25
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2021_25_2_JGG_2021_25_2_a10/
ID  - JGG_2021_25_2_JGG_2021_25_2_a10
ER  -