Elderton, Palin William <br/><br/>
System Of Frequency Curves  
/by William Palin Elderton 
 - Cambridge:  University Press;  1969. 
 - 216p. 
<br/><br/><label>ISBN: </label>521073693 
<br/><br/><label>Dewey Class. No.: </label>519.532  / ELD/S