Sprague, Richard E. <br/><br/>
Information utilities   
by Richard E. Sprague 
 - New Jersey  Prentice-Hall  1969 
 - 200p.  incl. ind., app., bibl. 
 - Prentice-Hall series in automatic computation. .
<br/><br/><label>LCCN: </label>72-95707 
<br/><br/><label>Dewey Class. No.: </label>001.64  / N6914