TY - RPRT TI - Spreadsheet-based software for the analysis of homogeneous and inhomogeneous fracture toughness data sets in accordance with ASTM E1921-21 AU - Lucon, Enrico PY - 2022 PB - National Institute of Standards and Technology (U.S.) CY - Gaithersburg, MD SN - NIST IR 8426 DO - 10.6028/NIST.IR.8426 ER -