Spangenburg, Ray <br/><br/>
Science frontiers 

 - 
 - New Delhi  Viva books pvt ltd  2006 
 - 246 
 - Viva-Facts on file history of science .
<br/><br/><label>ISBN: </label>8130900661 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>HISTORY OF SCIENCE --SCIENCE --SOLAR SYSTEM 4
<br/><br/><label>Dewey Class. No.: </label>50(091) SPA.5(R)