Abell, George <br/><br/>
Exploration of the universe 

 - Philadelphia:  Saunder College Publ.  1993 
 - 681p. :   il ;   28 cm. 
<br/><br/><label>ISBN: </label>0030946662 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía Geodesia