Zetterberg, Hans Lennart,  1927- <br/><br/>
On theory and verification in sociology / 
Hans L. Zetterberg. 
 - 3d enlarged ed. 
 - [Totowa, N.J.]  Bedminster Press,  1965. 
 - 177 p. :  diagrs. ;  23 cm. 
<br/><br/>Includes bibliographical footnotes. 
<br/><br/><label>Subjects--Index Terms: </label>SOCIOLOGÍA -  METODOLOGÍA