“Solar Heating and Cooling for Buildings” Workshop—University of Maryland, March, 1973

“Solar Heating and Cooling for Buildings” Workshop—University of Maryland, March, 1973, Box: 11, Folder: F269. Karl Wolfgang Böer papers, MSS 0483. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/88551 Accessed July 26, 2024.