The Problem of Vertical Flight : An Examination of the Characteristics of the Helicopter in Comparison with the Autogiro and Cyclogiro

Autor:	Crowe, J.H.
Zdroj:	Aircraft Engineering and Aerospace Technology, 1934, Vol. 6, Issue 11, pp. 292-296.
Databáze:	Emerald Insight
Externí odkaz:	http://www.emeraldinsight.com/doi/10.1108/eb029869 Zobrazit plný text záznamu