39. Rocket Observations of Far Infrared Radiation Which May Emanate from the Upper Atmosphere, J. R. Houck and M. Harwit, Proceedings of the 1969 COSPAR Conference, "Space Research X," North Holland, p. 532, (1970).

39. Rocket Observations of Far Infrared Radiation Which May Emanate from the Upper Atmosphere, J. R. Houck and M. Harwit, Proceedings of the 1969 COSPAR Conference, "Space Research X," North Holland, p. 532, (1970)., Box: 21, Folder: 29. Martin Harwit papers, 14-7-2402. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/174390 Accessed January 22, 2026.