Bales, Robert Freed,  1916-2004. <br/><br/>
Interaction process analysis :  a method for the study of small groups / 
Robert Freed Bales,  
 - London :  Addison-Wesley Press,  1950 [reprinted 1976] 
 - xi, 203 p. :  ill. ;  24 cm. 
<br/><br/> Include index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social interaction.
<br/><br/><label>Dewey Class. No.: </label>301  / BAI 1976