TY - JOUR AU - C. Leopold TI - Perspective Concepts - Exploring Seeing and Representation of Space JO - Journal for geometry and graphics PY - 2014 SP - 225 EP - 238 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_2014_18_2_JGG_2014_18_2_a7/ ID - JGG_2014_18_2_JGG_2014_18_2_a7 ER -