Van Bibber, K.; Hagmann, C.; Stoeffl, W.; Daw, E.; Rosenberg, L.; Sikivie, P. et al. Status of the large-scale dark-matter axion search, article, September 1, 1994; (https://digital.library.unt.edu/ark:/67531/metadc686962/m1/1/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .