The Encyclopedia of Electronic Circuits, Vol. 6
R. Graf
Circuit Analysis, Theory and Practice, 5th Edition
Allan H. Robbins & Wilhelm C. Miller
Basic German Vocabulary
Heiko Bock
Langenscheidt Reference (1)
Strength of Materials, 5th Edition
William A. Nash & Merle C. Potter
Schaum's Outlines (4)
Fundamentals of Signals and Systems
Benoit Boulet