Chaisson, Eric <br/><br/>
Astronomy today / 
E. Chaisson , S. McMillan. 
 - 3rd ed. 
 - New Jersey :  Prentice Hall,  1999. 
 - v. p. 
<br/><br/><label>ISBN: </label>0130858633 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Աստղագիտություն