From pencil to CAD and visual programmingTiidemann, Mart; Kalja, Ahto; Tiidemann, TiitEngineering Graphics BALTGRAF-8 : proceedings of the Eighth International Conference : Tallinn, Estonia, June 8-9, 20062006 / p. 131-136 : ill Handling CAD-filesMägi, ReinEngineering Graphics BALTGRAF-8 : proceedings of the Eighth International Conference : Tallinn, Estonia, June 8-9, 20062006 / p. 116-120 : ill "Teenager" BaltgrafMägi, ReinEngineering Graphics BALTGRAF-8 : proceedings of the Eighth International Conference : Tallinn, Estonia, June 8-9, 20062006 / p. 177-184 : ill Time as the fourth dimension of spaceRiives, JaanEngineering Graphics BALTGRAF-8 : proceedings of the Eighth International Conference : Tallinn, Estonia, June 8-9, 20062006 / p. 27-30 Visualisation in engineering graphicsMägi, Rein; Möldre, Heino; Meister, KülliEngineering Graphics BALTGRAF-8 : proceedings of the Eighth International Conference : Tallinn, Estonia, June 8-9, 20062006 / p. 121-125 : ill