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Carr, Jeffry (March 17, 1988). "JSC News Release Log 1988"(PDF). Lyndon B. Johnson Space Center. Houston, Texas: NASA. p. 88-008. Archived(PDF) from the original on February 25, 2017. This article incorporates text from this source, which is in the public domain.
Ryba, Jeanne (November 23, 2007). "STS-31". Mission Archives. NASA. Archived from the original on January 7, 2021. This article incorporates text from this source, which is in the public domain.
history.nasa.gov
Fries, Colin (March 13, 2015). "Chronology of Wakeup Calls"(PDF). History Division. NASA. Archived from the original(PDF) on January 5, 2021. Retrieved January 5, 2021. This article incorporates text from this source, which is in the public domain.
"Camera, ICBC, 70 mm, IMAX". National Air and Space Museum. Smithsonian Institution. Archived from the original on January 7, 2021. Retrieved January 7, 2021.
Carr, Jeffry (March 17, 1988). "JSC News Release Log 1988"(PDF). Lyndon B. Johnson Space Center. Houston, Texas: NASA. p. 88-008. Archived(PDF) from the original on February 25, 2017. This article incorporates text from this source, which is in the public domain.
"Camera, ICBC, 70 mm, IMAX". National Air and Space Museum. Smithsonian Institution. Archived from the original on January 7, 2021. Retrieved January 7, 2021.
Ryba, Jeanne (November 23, 2007). "STS-31". Mission Archives. NASA. Archived from the original on January 7, 2021. This article incorporates text from this source, which is in the public domain.
Fries, Colin (March 13, 2015). "Chronology of Wakeup Calls"(PDF). History Division. NASA. Archived from the original(PDF) on January 5, 2021. Retrieved January 5, 2021. This article incorporates text from this source, which is in the public domain.