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

 - Philadelphia:  Saunder College Publ.  1982 
 - vii, 721p. ; 26 cm. 
<br/><br/><label>ISBN: </label>0-03-058502-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía Geofísica