Pennycook, S.J.; Chisholm, M.F. & Nellist, P.D. Towards sub-{Angstrom} resolution through incoherent imaging, article, April 1, 1997; (https://digital.library.unt.edu/ark:/67531/metadc694622/m1/1/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .