00589nam a2200205Ia 4500003000900000008004100009020001800050040001600068080001600084245007600100260004700176300001300223490002500236650002500261650002000286650000900306650002100315650001700336700003000353IN-BaIIA211028s9999    xx            000 0 eng d  a0-8165-0769-4  cIIA Library  a523.64bWIL 0aCometscedited by Laurel L. Wilkening                                    aArizonabUniversity of Arizona Pressc1983  ax, 766p.  aSpace Science Series  aChemical composition  aCometary nuclei  aDust  aFrozon volatiles  aSplit comets  aWilkening, Laurel L., ed.