Systemtheorie, Bd.1, Allgemeine Grundlagen, Signale und lineare Systeme im Zeitbereich und Frequenzbereich: Allgemeine Grundlagen, Signale und lineare Systeme im Zeit- und Frequenzbereich

The items bear minimal signs of past use, such as light scratches or memories in the form of markings. These signs of wear give the items a charming character and tell stories of their previous owners, while not affecting their functionality.