Zizek, Franz,  Dr <br/><br/>
Statistical averages :  a methodological study / 
Franz Zizek ; translated by Warren M. Persons 
 - New York :  H. Holt,  1913 
 - ix, 392 p. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics<br/>Average
<br/><br/><label>Dewey Class. No.: </label>311.2