Mills, H. R., <br/><br/>
Positional astronomy and astro-navigation made easy :  a new approach using the pocket calculator / 
H.R. Mills. 
 - Cheltenham :  Stanley Thornes (Publishers) Ltd.,  1978. 
 - viii, 267 p. :  ill. ;  24cm. 
<br/><br/>Includes bibliographical references (page 263-264) and index. 
<br/><br/><label>ISBN: </label>0859500624 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy, Spherical and practical.<br/>Navigation.<br/>Calculating--machines.