Cornell Chronicle - "Arecibo telescope's global users converge on nation's capital to plan threatened observatory's scientific future", 9/13/2007, Box: 54, Folder: 366. Arecibo Ionospheric Observatory records, 53-7-3581. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/285017 Accessed April 06, 2026.