“Optical Properties of Cuprous Sulfide”(Williams/Zwicker)

“Optical Properties of Cuprous Sulfide”(Williams/Zwicker), Box: 59, Folder: F22. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/90340 Accessed July 26, 2024.