Donald A. Gurnett. Voyager Termination Shock. Department of Physics and Astronomy (University of Iowa). 1 June 2005 [2008-02-06]. (原始内容存档于2018-10-10).
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Brandt, Pontus. Imaging of the Heliospheric Boundary(PDF). NASA Advisory Council Workshop on Science Associated with the Lunar Exploration Architecture: White Papers. Tempe, Arizona: Lunar and Planetary Institute. 2007-02-27 to 2007-0302 [2007-05-25]. (原始内容存档(PDF)于2019-01-18).请检查|date=中的日期值 (帮助)
Brandt, Pontus. Imaging of the Heliospheric Boundary(PDF). NASA Advisory Council Workshop on Science Associated with the Lunar Exploration Architecture: White Papers. Tempe, Arizona: Lunar and Planetary Institute. 2007-02-27 to 2007-0302 [2007-05-25]. (原始内容存档(PDF)于2019-01-18).请检查|date=中的日期值 (帮助)