Knauff & Grove

year of pub­li­ca­ti­onISBNauthor(s)title
1982978-0-9605676-0-7Thomas KnauffGlider basics: From first flight to solo
1990978-0-9605676-2-1Thomas L. KnauffTransition to gliders. A flight training handbook for power pilots
1984978-0-9605676-3-8Thomas L. KnauffGlider Basics from First Flight to Solo