Urey, Harold C. . <br/><br/>
The Planets: Their Origin and Development /  Textual Documents 
Harold C.Urey. 
 - 1st ed. / 
 - New Haven :  Yale University Press ,  1952. 
 - 245p. :  ill ;  23cm . 
<br/><br/><label>Subjects--Index Terms: </label>Planets G-Mathematics 
<br/><br/><label>Dewey Class. No.: </label>523.4  / Ur 2 p