Cour-Palais, B. G. (March 1979). Results of the examination of the Skylab/Apollo windows for micrometeoroid impacts. 10th Lunar and Planetary Science Conference. Vol. 2. Houston, Texas. p. 1665. Bibcode:1979LPSC...10.1665C.
"Skylab Numbering Fiasco". Living in Space. William Pogue Official WebSite. 2007. Archived from the original on February 2, 2009. Retrieved February 7, 2009.
"Skylab Numbering Fiasco". Living in Space. William Pogue Official WebSite. 2007. Archived from the original on February 2, 2009. Retrieved February 7, 2009.