TY  - JOUR
AU  - E. Toledo Santos
AU  - L. Lourenzoni
AU  - A. L. Lima de Oliveira 
TI  - RISKO, an Educational Geometry Drawing Software With an Innovative Interface
JO  - Journal for geometry and graphics
PY  - 2006
SP  - 115
EP  - 124
VL  - 10
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2006_10_1_JGG_2006_10_1_a8/
ID  - JGG_2006_10_1_JGG_2006_10_1_a8
ER  -