Whipple, Fred L. <br/><br/>
The mystery of comets 
Fred L. Whipple                                             
 - Cambridge  Cambridge University Press  1985 
 - xi, 276p. 
<br/><br/><label>ISBN: </label>0-521-32440-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comet landscapes<br/>Comets<br/>Halley comet
<br/><br/><label>Universal Decimal Class. No.: </label>523.64  / WHI