Part of the University of Kansas. Kenneth Spencer Research Library Repository
ST-47 Iridium Extinction Horizon, Box: 36, Folder: 12. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library.
ST-47 Iridium Extinction Horizon, Box: 36, Folder: 12. Hollis Hedberg papers, RH MS 546. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/150043 Accessed November 24, 2024.
