Cawkell, A E <br/><br/>
Investigation of commercially available facsimile systems 

 - London:   The British library board,   1982 
 - 54p. 
 - Research and development report  5719 .
<br/><br/><label>ISBN: </label>0712330135 
<br/><br/><label>Universal Decimal Class. No.: </label>D 621.397.12  / M2