Vaitiekūnas, Petras, Egidijus Petraitis, Albertas Venslovas, and Aleksandras Chlebnikovas. 2014. “Air Stream Velocity Modelling in Multichannel Spiral Cyclone Separator”. Journal of Environmental Engineering and Landscape Management 22 (3):183–193. https://doi.org/10.3846/16486897.2014.931283.