Napier, Rodney W. <br/><br/>
Groups :  theory and experience / 
Rodney W. Napier, Matti K. Gershenfeld 
 - 3rd. ed. 
 - Boston :  Houghton Mifflin,  1985 
 - 551 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Small groups<br/>Interpersonal relations<br/>Problem solving, Group