Bulmer, M.G. <br/><br/>
Principles of statistics 

 - New York  Dover Publications Inc.  1979 
 - iv,252p.  23 cm P.B. 
<br/><br/><label>ISBN: </label>0486637603 
<br/><br/><label>Dewey Class. No.: </label>519.5  / BUL