Ryan, Peter <br/><br/>
Solar system 
Peter Ryan                                                
 - London  Allen Lane  1978 
 - 224p. 
<br/><br/><label>ISBN: </label>0-7139-1043-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Solar system
<br/><br/><label>Universal Decimal Class. No.: </label>523.2  / RYA