,  <br/><br/>
PCR Information   Reports and Background Papers: Jan-March 1981/ No.11 

 - Geneva  WCC Publications  1981 
 - 65p 
<br/><br/> includes index and biblioraphy 
<br/><br/><label>ISBN: </label> 100 
<br/><br/><label>Dewey Class. No.: </label>C68  / IN340