North, Gerald                                                <br/><br/>
Astronomy explained 
Gerald North,                                               
 - London  Springer-Verlag  1997 
 - xxii, 330p. 
<br/><br/><label>ISBN: </label>3-540-76136-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy<br/>Celestial sphere<br/>Cosmology<br/>Universe
<br/><br/><label>Universal Decimal Class. No.: </label>52  / NOR