Hafner, Arthur Wayne <br/><br/>
Descriptive statistical techniques for librarians 
Arthur W. Hafner. 
 - 2nd ed. 
 - Chicago  American Library Association  1997. 
 - 496 p.  ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0838906923 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science--Statistical methods.<br/>Library statistics
<br/><br/><label>LC Class. No.: </label>Z669.8  / .H33 1997 
<br/><br/><label>Dewey Class. No.: </label>020/.72