No Author,  <br/><br/>
ENCYCLOPEADIA  BRITANIA 

 - Chicago  Chicago University Press 
<br/><br/><label>Subjects--Uniform Titles: </label>--Post Graduate Reference
<br/><br/><label>Subjects--Topical Terms: </label><br/>NATURAL SCIENCES & MATHEMATICS--Generalia
<br/><br/><label>Dewey Class. No.: </label>542.05 CAR-E  / .