"Guth, Susanne" <br/><br/>
Interoperability of DRM systems 

 - Frankfurt  Peter Lang  2006 
 - 262p. 
<br/><br/><label>ISBN: </label>820477184 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers
<br/><br/><label>Dewey Class. No.: </label>001.642 GUT