Optimization of lift force of mini quadrotor helicopter by changing of gap size between rotorsAleksandrov, Dmitri; Penkov, IgorMechatronic systems and materials IV2013 / p. 226-231 : ill https://doi.org/10.4028/www.scientific.net/SSP.198.226 Article collection metrics at Scopus Article at Scopus Article collection metrics at WOS Article at WOS