United States Geological Survey (2007). "Moon: Dorsa Harker" (页面存档备份,存于互联网档案馆). Gazetteer of Planetary Nomenclature Feature Information. Retrieved June 20, 2007.
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United States Geological Survey (2007). "Moon: Dorsa Harker" (页面存档备份,存于互联网档案馆). Gazetteer of Planetary Nomenclature Feature Information. Retrieved June 20, 2007.