Encyclopaedia Britannica, Inc. <br/><br/>
Science and technology illustrated - V.23   

 - Chicago  Encyclopaedia Britannica, Inc.  1984 
 - 2824-2943pp. 
<br/><br/><label>ISBN: </label>8522294255 
<br/><br/><label>LCCN: </label>84-80129 
<br/><br/><label>Dewey Class. No.: </label>503  / N841.23 "R"