00384nam a2200109Ia 4500008004100000245014400041260003500185260000900220300000800229500001000237650002700247170224s9999    xx            000 0 und d  aEmploying Various 2D Visual Appearances of 3D Objects to Explore the Understanding Differences of Orthographic Views in Graphical Education  bComputers in Education Journal  c2014  a5:2  aMarch  xInformation Technology