PDS_VERSION_ID = PDS3                                                         
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID = "MUELLER&SAMARAS2002"                                    
  REFERENCE_DESC   = "Mueller, B.E.A. and N. Samarasinha, 2002,               
    'Visible Lightcurve Observations of Comet 19P/Borrelly',                  
    Earth, Moon and Planets, 90, 463-471."                                    
END_OBJECT = REFERENCE                                                        
                                                                              
END