Panamarenko : The Mechanism of Gravity, Closed Systems of Speed Alteration, Insect Flight, Seen from Inside the Body of the Insect, The Helicopter as Potential Winner, U-Kontrol III, An Improved Airplane Driven by Human Power, Polistes, Rubber Car with Jet Propulsion, Scoth-Gambit, The Design of a Large Fast Flying Boat.engboek