Vorontsov-vel'yaminov, B. A. <br/><br/>
Astronomical problems  a introductory course in astronomy 
by B. A. Vorontsov-vel'yaminov, tr. by P. M. Rabbitt 
 - London  Pergamon press  1969 
 - xi, 314p. 
<br/><br/><label>LCCN: </label>67-22828 
<br/><br/><label>Dewey Class. No.: </label>520.76  / N69