Sagan, Cart. <br/><br/>
Comet : Carlsagan ANN Druyan / 
Cart Sagan 
 - New York :  Random House,  1985 
 - 396 p. :  ill 
<br/><br/><label>ISBN: </label>0394549682 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets.<br/>Halley's comet.
<br/><br/><label>LC Class. No.: </label>QB721  / S34 1985