Schluter, Michael. <br/><br/>
The R Factor / 
by Michael Schluter and David Lee. 
 - London :  Hodder & Stoughton,  1993. 
 - 276 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>0340588926 
<br/><br/><label>Dewey Class. No.: </label>320 Sch 1993