Bales Robert Freed <br/><br/>
Social interaction systems    Theory and measurement    
Bales Robert Freed 
 - New Brunswick   Transaction Publishers          2001 
 - xiii,396p  cm. 
<br/><br/> Bibliography : P 341-366; Appendix : P 305-340 
<br/><br/><label>ISBN: </label>0765808722 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y0aS, P1