TY - RPRT TI - PERFORMANCE CRITERIA FOR AN ASTM XRF STANDARD TEST METHOD FOR HYDRAULIC CEMENTS : INTER-LABORATORY STUDY ON CEMENTS A AND B AU - Stutzman, Paul AU - Heckert, Alan PY - 2013 PB - National Institute of Standards and Technology SN - NIST TN 1816 DO - 10.6028/NIST.TN.1816 ER -