70. The Differential Polarization of Starlight as a Function of Distance, Stephen Lloyd and Martin Harwit, IAU Symposium #52, 203, Greenberg and Van de Hulst, eds., Reidel, Holland, (1973).

70. The Differential Polarization of Starlight as a Function of Distance, Stephen Lloyd and Martin Harwit, IAU Symposium #52, 203, Greenberg and Van de Hulst, eds., Reidel, Holland, (1973)., 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/174421 Accessed January 29, 2026.