Flesch Rudolf <br/><br/>
How to test readability 

 - New York  Harper & brothers       1951 
 - 56  cm. 
<br/><br/><label>Standard No.: </label>30468 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INDUSTRIAL ARTS
<br/><br/><label>Dewey Class. No.: </label>M19, J1