PDS_VERSION_ID       = PDS3                                                   
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID = "FARNHAM&COCHRAN2002"                                    
  REFERENCE_DESC   = "Farnham, Tony L., Anita L. Cochran, A McDonald          
  Observatory Study of Comet 19P/Borrelly: Placing the Deep Space 1           
  Observations into a Broader Context, Icarus 160, 398, 2002."                
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID = "HILLETAL2003"                                           
  REFERENCE_DESC   = "Hill, G.J.,  M.J. Wolf, J.R. Tufts,                     
  E.C. Smith, Volume Phase Holographic (VPH) Grisms for Optical and           
  Infrared Spectrographs, in 'Specialized Optical Developments in             
  Astronomy', Proceedings of the SPIE 4842, in press. 2003."                  
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID = "LANDOLT1992"                                            
  REFERENCE_DESC   = "Landolt, A., UBVRI Photometric Standard Stars in        
  the Magnitude Range 11.5-16.0 Around the Celestial Equator.                 
  Astron. J. 104, 340-371, 1992"                                              
END_OBJECT = REFERENCE                                                        
                                                                              
END