Smart, W. M. <br/><br/>
Textbook on spherical astronomy / 
by W.M. Smart. 
 - 6th rev. ed. / R.M. Green. 
 - Cambridge :  The University Press,  1977. 
 - xiii, 431 p. 
<br/><br/><label>ISBN: </label>0521215161 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Spherical astronomy.<br/>Astronomy.