Fox, Karl August,  1917- <br/><br/>
Social indicators and social theory :  elements of an operational system / 
by Karl A. Fox 
 - New York :  Wiley,  1974 
 - xxiv, 328 p. :  illus. ;  26 cm. 
<br/><br/> 'A Wiley-Interscience publication.' 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0471270601 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Methodology<br/>Social indicators<br/>System theory