Fluid-Dynamic Drag, Practical Information on Aerodynamic Drag ...
Sighard F. Hoerner
The Illustrated Dictionary of Electronics, 8th Edition
Stan Gibilisco (ed)
The New Oxford American Dictionary
Oxford University Press
Leo & Co: Der 80. Geburtstag
Theo Scherling & Elke Burger
The Vacuum Cleaner: A History
Carroll Gantz