Youngson, Robert M <br/><br/>
The Guinness Encyclopedia of the Human Being / 
by Robert M. youngson 
 - Great Britian:  Guinness Publishing,  1994 
 - p.284 
<br/><br/><label>ISBN: </label>0851125654 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias & books of facts <br/>General encyclopedic works in American English
<br/><br/><label>Dewey Class. No.: </label>031  / YOU-G