Media type: E-Article Title: The Origin of Halley-Type Comets: Probing the Inner Oort Cloud Contributor: Levison, Harold F.; Dones, Luke; Duncan, Martin J. Published: American Astronomical Society, 2001 Published in: The Astronomical Journal, 121 (2001) 4, Seite 2253-2267 Language: Not determined DOI: 10.1086/319943 ISSN: 0004-6256 Keywords: Space and Planetary Science ; Astronomy and Astrophysics Origination: University thesis: Footnote: Access State: Open Access