Coordination of complex tasks of engineering product and manufacturing process optimizationKüttner, Rein; Karjust, KristoProceedings of the Estonian Academy of Sciences. Engineering2006 / 3-1, p. 163-175 : ill

Lambert-Est otseülekande valemite moodustamineKala, VelloGeodeet2002 / lk. 25-27 https://artiklid.elnet.ee/record=b1038906*est

Mapping leddar distance measurements to coordinate systemPiigli, Ervin; Mets, Oliver16th International Symposium "Topical Problems in the Field of Electrical and Power Engineering. Doctoral School of Energy and Geotechnology III" : Pärnu, Estonia, January 16-21, 20172017 / p. 173-175 : ill http://www.ester.ee/record=b4650094*est

Veelkord koordinaatsidumisestKala, VelloGeodeet2009 / lk. 34-36 : ill https://artiklid.elnet.ee/record=b1508998*est