Firth, R J <br/><br/>
Viewdata systems:   A practical evaluation guide 

 - England:   The National Computing Centre Ltd,   1982 
 - 86p. 
<br/><br/><label>ISBN: </label>0-85012-370-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data analysis
<br/><br/><label>Subjects--Index Terms: </label>Functional criteria 
<br/><br/><label>Universal Decimal Class. No.: </label>D 65.011.56  / M2