Heinrichs, Heribert. <br/><br/>
Audio-visuelle Praxis in Wort und Bild :  Geräte, Technik, Methode / 
Heribert Heinrichs. 
 - München :  Kösel-Verlag  c1972. 
 - 278 S. ; 
<br/><br/><label>ISBN: </label>3466301033 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual equipment.
<br/><br/><label>Dewey Class. No.: </label>371.335  / Au