TY  - JOUR
AU  - E. Tsutsumi
AU  - H.-P. Schroecker
AU  - H. Stachel
AU  - G. Weiss 
TI  - Evaluation of Students' Spatial Abilities in Austria and Germany
JO  - Journal for geometry and graphics
PY  - 2005
SP  - 107
EP  - 117
VL  - 9
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2005_9_1_JGG_2005_9_1_a10/
ID  - JGG_2005_9_1_JGG_2005_9_1_a10
ER  -