Gumm, Heinz-Peter. <br/><br/>
Einführung in die Informatik / 
Heinz-Peter Gumm, Manfred Sommer. 
 - 3rd ed. 
 - München :  Wien :  R. Oldenbourg Verlag,  1998. 
 - 659 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9783486244229 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing<br/>Switching theory
<br/><br/><label>LC Class. No.: </label>QA76