PDS_VERSION_ID = PDS3                                                         
                                                                              
OBJECT                          = REFERENCE                                   
  REFERENCE_KEY_ID              = "MCGREGORETAL1996"                          
  REFERENCE_DESC                = "McGregor, P.J., P.D. Nicholson, M.G. Allen,
near-infrared observations of the impacts of fragments C, D, G, K, N, R, V,   
and W of Comet P/Shoemaker-Levy 9 with Jupiter from the ground, Icarus, 121   
361-388, 1996."                                                               
END_OBJECT                      = REFERENCE                                   
                                                                              
                                                                              
OBJECT                          = REFERENCE                                   
REFERENCE_KEY_ID                = "MCGREGOR1996"                              
REFERENCE_DESC                  = "McGregor, P.J., private communication,     
07 NOV 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, CA, 1994."              
END_OBJECT                     = REFERENCE                                    
                                                                              
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               = "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                     = REFERENCE                                    
                                                                              
OBJECT                         = REFERENCE                                    
REFERENCE_KEY_ID               = "CHODAD&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 Colloquim 156, ISBN 0-521-56192-2, Cambridge, United Kingdom."
END_OBJECT                     = REFERENCE                                    
                                                                              
                                                                              
END