Asimov, Isaac,  <br/><br/>
Pluto :   planet kembar ? 

 - 32 pages :   colour illustrations ;   26 cm 
<br/><br/><label>ISBN: </label>9679145891 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology.
<br/><br/><label>Dewey Class. No.: </label>523.482