Teach Yourself Improve Your German
Heiner Schenke & Paul Coggle
Midland G9 Pro Channels
Paolo Bertazzoni
Dackelblick
Frauke Scheunemann
Grenzverkehr am Bodensee
Felix & Theo
Transducers and Arrays for Underwater Sound
Charles H. Sherman & John L. Butler
The Underwater Acoustics Series (1)