A SLUG FLOW MODEL IN A LONG MILK TUBE FOR DESIGNING A MILKING UNIT CONTROL SYSTEM - A. Kupczyk; M. Gaworski; J. Szlachta; K. Tucki; J. Wojdalski; A. LuberaDski; B. Dró|d|and M. Krzywonos (Journal of Animal and Plant Sciences, 2019)