Understanding Digital Signal Processing, 3rd Edition
Richard G. Lyons
Freude, Liebe, Angst
Volker Borbein & Christian Baumgarten
Circuit Analysis with Devices, Theory and Practice, 3rd Edition
Allan H. Robbins
Teach Yourself Electricity and Electronics, 3rd Edition
Stan Gibilisco
Units & Symbols for Electrical & Electronic Engineers
The Institute of Engineering and Technology