Flow Behaviour of Inhaled Fibres – Equations of Motion and Preliminary Results of Real Trajectories Recorded by a High-Speed CameraFrantisek Lizal, Miloslav Belka, Milan Maly, Matous Cabalka, Jan Jedelsky and Miroslav JichaMATEC Web Conf., 328 (2020) 01005DOI: https://doi.org/10.1051/matecconf/202032801005