Escobal Pedro Ramon <br/><br/>
Methods of orbits determination 

 -  1965 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>25168 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics
<br/><br/><label>Dewey Class. No.: </label>B9:72, K5