PDS_VERSION_ID                     = PDS3                                     
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OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "FINKETAL1980"                                       
  REFERENCE_DESC       = "Fink, U., B.A. Smith, C. Benner, J.R. Johnson, and  
        H.J. Reitsema, Detection of a CH4 atmosphere on Pluto.  Icarus 44,    
        62-71, 1980."                                                         
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "HARDORP1978"                                        
  REFERENCE_DESC       = "Hardorp, J., The sun among the stars.  I.  A search 
        for solar spectral analogs.  Astronomy and Astrophysics, 63, 383-390, 
        1978."                                                                
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "HARDORP1982"                                        
  REFERENCE_DESC       = "Hardorp, J., The sun among the stars. V. A second   
        search for solar spectral analogs. The Haydes distance. Astronomy and 
        Astrophysics, 105, 120-132, 1982."                                    
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "LUKAC&MILLER2000"                                   
  REFERENCE_DESC       = "Lukac, M. R., and R. J. Miller, List of Active      
        Professional Observatories, United States Naval Observatory Circular  
        No. 178. Washington DC, 2000."                                        
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "VILAS&MCFADDEN1992"                                 
  REFERENCE_DESC       = "Vilas, F., and L.A. McFadden, CCD reflectance       
        spectra of selected asteroids: Presentation and data analysis         
        considerations, Icarus 100, 85-94, 1992."                             
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "VILAS&SMITH1985"                                    
  REFERENCE_DESC       = "Vilas, F., and B.A. Smith, Reflectance spectroscopy 
        (0.5 - 1.0 microns) of outer-belt asteroids: Implications for         
        primitive organic solar system material, Icarus 64, 503-516, 1985."   
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "VILASETAL1985"                                      
  REFERENCE_DESC       = "Vilas, F., D.J. Tholen, L.A. Lebofsky, H. Campins,  
        G. Veeder, R. Binzel, and A. Tokunaga, Physical parameters of         
        near-earth asteroid 1982 DV, Icarus 63, 201-205, 1985."               
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "VILASETAL1993A"                                     
  REFERENCE_DESC       = "Vilas, F., E.C. Hatch, S.A. Larson, S.R. Sawyer, and
        M.J. Gaffey, Ferric iron in primitive asteroids: A 0.43 micron        
        absorption feature, Icarus 102, 225-231, 1993."                       
END_OBJECT = REFERENCE                                                        
                                                                              
OBJECT     = REFERENCE                                                        
  REFERENCE_KEY_ID     = "VILASETAL1993B"                                     
  REFERENCE_DESC       = "Vilas, F., S.A. Larson, E.C. Hatch, and K.S. Jarvis,
        CCD reflectance spectra of selected asteroids, II. Low albedo asteroid
        spectra and data extraction techniques, Icarus 105, 67-78, 1993."     
END_OBJECT = REFERENCE                                                        
                                                                              
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