• High-efficiency internal combustion engine for unmanned aircraft useTiimus, Kristjan; Murumäe, Mikk; Väljaots, Eero; Tamre, MartThe 9th International Conference Mechatronics Systems and Materials : MSM-2013 : abstracts2013 / p. 244-245 : ill
• High-efficiency internal combustion engine used in the unmanned aircraftTiimus, Kristjan; Murumäe, Mikk; Väljaots, Eero; Tamre, MartMechatronic systems and materials VI2015 / p. 928-933 : ill https://doi.org/10.4028/www.scientific.net/SSP.220-221.928 https://www.scopus.com/sourceid/21100305259 https://www.scopus.com/record/display.uri?eid=2-s2.0-84922203550&origin=inward&txGid=fd4017b5335a85d78da93a170bccdc83