• Development and testing of vertical take-off and landing aerial vehicle with tandem electric ducted fan motorPütsep, Kristjan; Nerep, Tõivo; Tiismus, Hans; Rassõlkin, AntonProceedings of the Estonian Academy of Sciences2023 / p. 184–193 https://doi.org/10.3176/proc.2023.2.08 https://www.scopus.com/sourceid/11500153303 https://www.scopus.com/record/display.uri?eid=2-s2.0-85159760908&origin=inward&txGid=b4b3dff8c041317e47a781902a5db2bf https://jcr.clarivate.com/jcr-jp/journal-profile?journal=P%20EST%20ACAD%20SCI&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:000998113400008