c1990. <br/><br/>
The World Book Enclopedia/ 
World Book Inc. 
 - Chicago, London:  World Book,Inc.,  c1990. 
 - 1161p.;  21cm. 
<br/><br/> Includes index and Bibliographical references. 
<br/><br/><label>ISBN: </label>0716610906 
<br/><br/><label>LC Class. No.: </label>REF AE 5  / .W55 1990.