Armstrong, C.J. <br/><br/>
CD-ROM information products  an evaluative guide and directory 
C.J. Armstrong 
 - England  Gower  1990 
 - xiv, 470p. 
<br/><br/><label>ISBN: </label>0566036266 
<br/><br/><label>Dewey Class. No.: </label>004.56 C814