A multilevel modelling environment for machine elements designKalja, Ahto; Kindel, Kristiina; Tiidemann, Mart; Tiidemann, TiitOST-01 Symposium on Machine Design : Tallinn, Estonia, October 4-5, 2001 : proceedings2001 / p. 45-50 : ill Calculation of gear drive by using AI methods in conceptual designSanko, Jelena; Tiidemann, Mart; Tiidemann, Tiit; Kalja, AhtoOST-99 Symposium on Machine Design : Stockholm, 30th Sept. - 1st Oct., 1999 : proceedings1999 / p. 21-27: ill A conceptual framework for software developing in mechanical CADKalja, Ahto; Tiidemann, Mart; Tiidemann, TiitOST-97 Symposium on Machine Design, Tallinn, Estonia, May 22-23, 1997 : proceedings1997 / p. 120-128: ill https://www.ester.ee/record=b1083704*est Creativity trainings and technical education problems in CADKalja, Ahto; Tiidemann, Mart; Tiidemann, TiitProceedings of OST'05 Conference : Stockholm, Sweden, 20052005 / ? p Creativity trainings and technical education problems in CADKalja, Ahto; Tiidemann, Mart; Tiidemann, TiitProceedings of OST'05 Conference : Stockholm, October 20052006 / ? p Design and automatic calculations of machine elementsTiidemann, Mart; Kalja, Ahto; Tiidemann, TiitEngineering Graphics BALTGRAF-11 : proceedings of the Eleventh International Conference : Tallinn, Estonia, June 9-10, 20112011 / p. 124-130 : ill Dimensioning and tolerancing - some convenient methodsKalja, Ahto; Kindel, Kristiina; Tiidemann, Mart; Tiidemann, TiitEngineering Graphics BALTGRAF-6 : proceedings of the Sixth International Conference : Riga, Latvia, June 13-14, 20022002 / p. 65-70 : ill 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 Innovative trends in engineering designTamre, Mart; Tiidemann, Tiit; Tiidemann, MartOST-98 Symposium on Machine Design, Oulanka, Finland, October 1-3, 1998 : proceedings1998 / p. 9-15: ill The most important trends in machine designKalja, Ahto; Tiidemann, Mart; Tiidemann, TiitOST-03 Symposium on Machine Design2003 / p. 212-219 : ill Using software with AI elements for conceptual design of machine elementsTiidemann, Mart; Kalja, Ahto; Tiidemann, Tiit; Tõugu, EnnProceedings of the 8th International Conference of DAAAM Baltic Industrial Engineering, 19-21st April 2012, Tallinn, Estonia. 12012 / p. 357-360 : ill