00474nam a2200157Ia 4500003000900000008004100009040001600050080001800066100001800084245010000102250001300202260005900215300001000274650002100284650001100305IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  a083.8:52bMAR  aMarsden, B. G 0aCatalogue of cometary orbits 1999cB. G. Marsden                                                 a13th ed.  aCambridgebSmithsonian Astrophysical Observatoryc1999  a127p.  acatalogue-comets  acomets