TY - JOUR AU - J. Chen TI - Kernel Problems of the Modernization of Engineering Graphics Education JO - Journal for geometry and graphics PY - 1998 SP - 065 EP - 07 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JGG_1998_2_1_a6/ ID - JGG_1998_2_1_a6 ER -