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240. Zubarev, D.Y., B.M. Austin, and W.A. Lester, Jr., “Quantum Monte Carlo for the X-Ray Absorption Spectrum of Pyrrole at the Nitrogen K-Edge,” The Journal of Chemical Physics 136 (2012): 144301-1-144301-5., 2009-2012, Box: 59, Folder: 5. William A. Lester, Jr. Papers, 2023-017. Science History Institute Archives. https://sciencehistory.libraryhost.com/repositories/3/archival_objects/53615 Accessed November 05, 2024.