2.A. S-4200, S.N. 944,999-076,596 (Barnett)—Thin Film Photovoltaic Cells

2.A. S-4200, S.N. 944,999-076,596 (Barnett)—Thin Film Photovoltaic Cells, Box: 88, Folder: F212. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/91077 Accessed July 26, 2024.