Aitchison, T.M <br/><br/>
Laboratory evaluation of printed indexes  part II results and discussion of methodology 
<label>/ by </label> Aitchison, T.M 
<label>;</label> Hall, Angela M 
 - London  The Institution of Electrical Engineers  1973 
 - 61p.  ill.  30 cm. 
<br/><br/><label>Dewey Class. No.: </label>025.3  / A