JS1207: Airframe Noise Model and User's Guide, 1985-08-21 - 1985-10-14, Box: 9 , Folder: 24. Shannon Engineering, Inc., records, 8746. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/766729 Accessed June 15, 2026.