May, Christopher. <br/><br/>
Digital rights management: The problem of expanding ownership rights 

 - Oxford - England  Chandos Publishing (Oxford) Limited  2007 
 - xv, 162p. 
<br/><br/><label>ISBN: </label> RS 3371.78 (UKP 39.95) 
<br/><br/><label>Source: </label> RS 3371.78 (UKP 39.95) 
<br/><br/><label>Dewey Class. No.: </label>346.04 MAY