Digital Fundamentals, 9th Ed
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Electric Circuits, 4th Edition
Mahmood Nahvi & Joseph A. Edminister
Schaum's Outlines (2)
NACA Report 824, Summary of Airfoil Data
Louis S. Stivers & Ira H. Abbott & E. von Doenhoff
Airplane Design Vol 1-7, Errata
Dr. Jan Roskam
The Vacuum Cleaner: A History
Carroll Gantz