PDS_VERSION_ID                     = PDS3                                     
RECORD_TYPE                        = "STREAM"                                 
                                                                              
OBJECT                             = REFERENCE                                
  REFERENCE_KEY_ID                 = "COCHRANETAL1992"                        
  REFERENCE_DESC                   = "Cochran, A.L., E.S.Barker, and          
        A.D.Storrs, The McDonald Observatory Faint Comet Survey: Gas          
        Production in 17 Comets, Icarus, 98, 151, 1992."                      
END_OBJECT                         = REFERENCE                                
                                                                              
OBJECT                             = REFERENCE                                
  REFERENCE_KEY_ID                 = "COCHRANETAL2009"                        
  REFERENCE_DESC                   = "Cochran, A. L., E. S. Barker, M. D.     
        Caballero, and J. Gyorgey-Ries, Placing the Deep Impact Mission into  
        context: Two decades of observations of 9P/Tempel 1 from McDonald     
        Observatory 2009, Icarus 199, 119-128"                                
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END