Berger, Joseph, 1924-  Berger, Joseph, 1924- <br/><br/>
Types of formalization in small-group research / 
[by] Joseph Berger [and others] ; with a foreword by Sanford M. Dornbusch. 
 - Boston :  Houghton Mifflin,  [1962] 
<br/><br/>Bibliography: p. 112-159. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Small groups.<br/>Social sciences -- Mathematical models.--Social sciences -- Mathematical models.