Litmann, Mark. <br/><br/>
Planets beyond : discovering the outer solar system  [Books]. 
Mark Littmann. 
 - New York  John Wiley & Sons  1988 
 - Pages: 286 
<br/><br/><label>ISBN: </label>047161128X  0.00 
<br/><br/><label>Subjects--Personal Names: </label><br/>Neptune (Planet).<br/>Pluto (Planet).<br/>Uranus (Planet).
<br/><br/><label>Dewey Class. No.: </label>QB/681  / LIT