R.C Bless <br/><br/>
Discovering th cosmos 

 - California  University Science Books  1996 
 - 714 p 
<br/><br/><label>ISBN: </label>0-935702-67-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>LC Class. No.: </label>QB43.2.B585/