“Terrestrial Photovoltaic Measurements,” NASA, 1975

“Terrestrial Photovoltaic Measurements,” NASA, 1975, Box: 68, Folder: F292. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/90625 Accessed September 11, 2024.