Richards, Whitman   . <br/><br/>
Natural computation  Textual Documents 

 - Cambridge :   Bradford books ,   1988. 
 - NULL ;   NULL. 
<br/><br/><label>Subjects--Index Terms: </label>Computer mathamatics Natural computation 
<br/><br/><label>Dewey Class. No.: </label>004.0151  / NAT