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99. Hadamard Transform Imager and Imaging Spectrometer, Roderick D. Swift, Richard B. Wattson, John A. Decker, Jr., Ralph Paganetti and Martin Harwit, Appl. Opt., 15, 1595, (1976)., Box: 21. Martin Harwit papers, 14-7-2402. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/174450 Accessed January 28, 2026.