Introduction to Economic Analysis
R. Preston McAfee
The Encyclopedia of Electronic Circuits, Vol. 5
R. Graf
Microcontroller Programming, The Microchip PIC
Julio Sanchez & Maria Canton
Schaum's Outline of German Vocabulary, 3ed (Schaum's Outlines)
Edda Weiss
Units & Symbols for Electrical & Electronic Engineers
The Institute of Engineering and Technology