TY - JOUR AU - K. Kondo TI - Interactive Geometric Modeling Using Freehand Sketches JO - Journal for geometry and graphics PY - 2009 SP - 195 EP - 207 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2009_13_2_JGG_2009_13_2_a5/ ID - JGG_2009_13_2_JGG_2009_13_2_a5 ER -