Urban, Sean E. <br/><br/>
Explanatory supplement to the Astronomical almanac. 

 - 3rd ed. / 
 - Mill Valley, Calif. :  University Science Books,  c2013. 
 - xxxiv, 676 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>9781891389856 (alk. paper) 1891389858 (alk. paper) 
<br/><br/><label>Subjects--Index Terms: </label>Nautical almanacs 
<br/><br/><label>Dewey Class. No.: </label>528  / URB