28. Means of Measuring the Earth's Velocity through the 3° Radiation Field, J. J. Condon and M. Harwit, Phys. Rev. Let., 20, 1309 and 21, 58, (1968).

28. Means of Measuring the Earth's Velocity through the 3° Radiation Field, J. J. Condon and M. Harwit, Phys. Rev. Let., 20, 1309 and 21, 58, (1968)., 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/174379 Accessed January 26, 2026.