Tattersfield, Donald. <br/><br/>
Orbits for amateurs with a microcomputer / 
D. Tattersfield. 
 - 2 volume :  illustrations ;  24 cm. 
<br/><br/> "A Halsted Press book."  Vol. 1 lacks vol. no. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0470275014 0470203560 9780470203569 
<br/><br/><label>LCCN: </label>84176375  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets--Orbits--Data processing.<br/>Microcomputers.<br/>BASIC (Computer program language)
<br/><br/><label>LC Class. No.: </label>QB357  / .T37 1984 
<br/><br/><label>Dewey Class. No.: </label>523.6/30285