Baker, Robert Horace,  1883- <br/><br/>
Astronomy :  A textbook for university and college students / 
By Robert h. baker 
 - 4 
 - 461 páginas 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía
<br/><br/><label>LC Class. No.: </label>QB45  / B15 1946