Symopsium on computer book charging(Leeds Polytechnic)(1970) <br/><br/>
Proc. of a symp. on computer bookcharing held at Leeds Polytechnic on 11th May 1970   

 - Leeds  Leeds Polytechnic  1970 
 - 43p. 
<br/><br/><label>ISBN: </label>95013340x 
<br/><br/><label>Dewey Class. No.: </label>025.6  / N70