54. Rocket-Infrared Four-Color Photometry of the Galaxy's Central Regions, J. R. Houck, B. T. Soifer, Judith L. Pipher and Martin Harwit, Ap. J. Lett., 169, L31, (1971).

54. Rocket-Infrared Four-Color Photometry of the Galaxy's Central Regions, J. R. Houck, B. T. Soifer, Judith L. Pipher and Martin Harwit, Ap. J. Lett., 169, L31, (1971)., Box: 21, Folder: 31. Martin Harwit papers, 14-7-2402. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/174405 Accessed January 24, 2026.