@Book{125525494,
author="Gad, Horst
and Fricke, Hans",
title="Grundlagen der Verst{\"a}rker",
series="Leitfaden der Elektrotechnik Bd. 12",
year="1983",
publisher="Teubner",
address="Stuttgart",
note="Horst Gad; Hans Fricke",
isbn="3519064170",
language="German"
}