• Design and modelling of electric drive in database environment [Electronic resource]Vodovozov, Valery; Pettai, Elmo; Auväärt, AivarISIE08 : 2008 IEEE International Symposium on Industrial Electronics : 30 June - 2 July 2008, Cambridge, United Kingdom2008 / p. 764-767 : ill. [CD-ROM] https://ieeexplore.ieee.org/document/4676891
• On pattern-based database design and implementationEessaar, ErkiProceedings : 6th ACIS International Conference on Software Engineering Research, Management and Applications : SERA 2008 : 20-22 August 2008, Prague, Czech Republic2008 / p. 235-242 https://www.researchgate.net/publication/4370312_On_Pattern-Based_Database_Design_and_Implementation