Forms used for graphic representation of an object in engineering graphics [Online resource]
Lille, Harri
;
Ruus, Aime
Scientific proceedings of the 13th International Conference on Engineering Graphics BALTGRAF-13 : June 25-26, 2015, Vilnius
2015
/
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