Vorontsov-Vel'yaminov B.A <br/><br/>
Astronomical Problems : An introductory course in astronomy 

 - Oxford  Pergamon press          1969 
 - xi, 314p.  cm. ill 
<br/><br/> Appendix(p. 
<br/><br/><label>Standard No.: </label>25915 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B9, K9