Wilke Henk,A.m.Roel Meertens <br/><br/>
Group Performance 

 - London.  Routledge..  1994 
 - xvi,216p;i 
<br/><br/><label>ISBN: </label>0-415-04398-0 
<br/><br/><label>Dewey Class. No.: </label>302