Forms used for graphic representation of an object in engineering graphics [Online resource]Lille, Harri; Ruus, AimeScientific proceedings of the 13th International Conference on Engineering Graphics BALTGRAF-13 : June 25-26, 2015, Vilnius2015 / p. 58-61 : ill http://doi.org/10.3846/baltgraf.2015.011 http://www.ester.ee/record=b4512767*est https://digi.lib.ttu.ee/i/?3151

Using layers [Electronic resource]Mägi, Rein; Möldre, HeinoScientific proceedings of the 13th International Conference on Engineering Graphics BALTGRAF-13 : June 25-26, 2015, Vilnius2015 / p. 13-17 : ill http://doi.org/10.3846/baltgraf.2015.003