PDS_VERSION_ID = PDS3                                                         
                                                                              
RECORD_TYPE = "STREAM"                                                        
                                                                              
OBJECT     = TEXT                                                             
   PUBLICATION_DATE = 2011-05-25                                              
   NOTE             = "CATALOG/ directory contents"                           
END_OBJECT = TEXT                                                             
                                                                              
END                                                                           
                                                                              
CATALOG/ Directory                                                            
==================                                                            
DATASET.CAT     Data set description                                          
HMC.CAT         Halley Multicolor Camera instrument description               
GIO.CAT         GIOTTO spacecraft description                                 
GIOTTO.CAT      GIOTTO mission description                                    
REFERENCE.CAT   List of references corresponding to the                       
                  REFERENCE_KEY_ID values in the other files