TY  - JOUR
AU  - G. Prieto Adanez
AU  - A. D. Velasco 
TI  - Training Visualization Ability by Technical Drawing
JO  - Journal for geometry and graphics
PY  - 2004
SP  - 107
EP  - 115
VL  - 8
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2004_8_1_JGG_2004_8_1_a10/
ID  - JGG_2004_8_1_JGG_2004_8_1_a10
ER  -