Johnson Norman L <br/><br/>
Urn models and their applications 
Johnson Norman L; Kota Samuel 
 -  1973 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>25373 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B281, L73;2