PDS_VERSION_ID = PDS3                                                         
                                                                              
OBJECT                         = REFERENCE                                    
REFERENCE_KEY_ID               = "AHEARN&MCFADDEN1994"                        
REFERENCE_DESC                 = "AHearn, M., and L. A. McFadden, Fact Sheet: 
Comet P/Shoemaker-Levy 9 and Jupiter, private communication, 1994."           
END_OBJECT                     = REFERENCE                                    
                                                                              
OBJECT                         = REFERENCE                                    
REFERENCE_KEY_ID               = "CHODAS&YEOMANS1996"                         
REFERENCE_DESC                 = "Chodas, P. and D. Yeomans, The Collision of 
Comet Shoemaker-Levy 9 and Jupiter, editors K. Noll, H. Weaver, and           
P. Feldman, IAU Colloquium 156, ISBN 0-521-56192-2, Cambridge, United Kingdom.
END_OBJECT                     = REFERENCE                                    
                                                                              
OBJECT                         = REFERENCE                                    
REFERENCE_KEY_ID               = "HORROCKS&AHEARN1995"                        
REFERENCE_DESC                 = "Horrocks, K., and M. AHearn, European SL9/  
Jupiter Workshop, editors R. West and H. Boehnhardt, ESO Conference and       
Workshop Proceedings #52, ISBN 3-923524-55-2, Garching, Germany, 1995."       
END_OBJECT                                                                    
                                                                              
OBJECT                          = REFERENCE                                   
  REFERENCE_KEY_ID              = "LEGGETT&DENAULT1996"                       
  REFERENCE_DESC                = "Leggett, S., and T. Denault,               
NSFCAM User's Guide, Jan 3, 1996."                                            
END_OBJECT                      = REFERENCE                                   
                                                                              
OBJECT                         = REFERENCE                                    
REFERENCE_KEY_ID               = "NEWBURN1994"                                
REFERENCE_DESC                 = "Newburn, R., Periodic Comet Shoemaker-Levy  
9 Collides with Jupiter, JPL 400-520, 3/94, Pasadena, California, USA, 1994." 
END_OBJECT                     = REFERENCE                                    
                                                                              
OBJECT                          = REFERENCE                                   
  REFERENCE_KEY_ID              = "ORTONETAL1995"                             
  REFERENCE_DESC                = "Orton, G., M. A'Hearn, K. Baines,          
D. Deming, T. Dowling, J. Goguen, C. Griffith, H. Hammel, W. Hoffman,         
D. Hunten, D. Jewitt, T. Kostiuk, S. Miller, K. Noll, K. Zahnle, N. Achilleos,
A. Dayal, L. Deutch, F. Espenak, P. Esterle, J. Friedson, K. Fast,            
J. Harrington, J. Hora, R. Joseph, D. Kelly, R. Knacke, J. Lacey, C. Lisse,   
J. Rayner, A. Sprague, M. Shure, K. Wells, P. Yanamandra-Fisher, D. Zipoy,    
G. Bjoraker, D. Buhl, W. Golisch, D. Griep, C. Kaminski, C. Arden, A. Chaiken,
J. Goldstein, D. Gilmore, G. Fazio, T. Kanamori, H. Lam, T. Livengood,        
M.-M. MacLow, M. Marley, T. Momary, D. Robertson, P. Romani, J. Spitale,      
M. Sykes, J. Tennyson, D. Wellnitz, S.-W. Ying, Science:267, 1277-1282, 1995."
END_OBJECT                      = REFERENCE                                   
                                                                              
END