Wallis W Allen <br/><br/>
Statistics a new approach 
Wallis W Allen; Roberts Harry V 
 -  1956 
<br/><br/><label>Standard No.: </label>123448 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B28, J6;4