TY - JOUR AU - Black, David R. AU - Mendenhall, Marcus AU - Henins, Albert AU - Filliben, James AU - Cline, James C2 - Powder Diffraction DA - 2020-05-31 04:05:00 DO - https://doi.org/10.1017/S0885715620000366 LA - en PB - Powder Diffraction PY - 2020 TI - CERTIFICATION OF SRM 640f LINE POSITION AND LINE SHAPE STANDARD FOR POWDER DIFFRACTION UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=929658 ER -