"Paschen Line Observations of the Orion Nebula," by Michael W. Werner, Judith L. Pipher, Yervant Terzian and J.R. Houck, CRSR 308, 1968

"Paschen Line Observations of the Orion Nebula," by Michael W. Werner, Judith L. Pipher, Yervant Terzian and J.R. Houck, CRSR 308, 1968, Box: 19, Folder: 28. Martin Harwit papers, 14-7-2402. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/174211 Accessed January 29, 2026.