TY - RPRT TI - The Certification of Standard Reference Material 1979: Powder Diffraction Line Profile Standard for Crystallite Size Analysis AU - Cline, James P. AU - Mendenhall, Marcus H. AU - Ritter, Joseph J. AU - Black, David AU - Henins, Albert AU - Bonevich, John E. AU - Whitfield, Pamela S. AU - Filliben, James J. PY - 2021 DO - 10.6028/jres.125.020 UR - https://www.osti.gov/biblio/1759047 ID - 1759047 ER -