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  1. Inter-laboratory analysis on precision and bias for XRF measurements on portland cements

    Article • Advances in Civil Engineering Materials, August 2014, ASTM International

    Paul Stutzman, Mr. Alan Heckert

  2. Quantitative X-Ray Powder Diffraction Analysis of Portland Cements: Proficiency Testing for Laboratory Assessment

    Article • Advances in Civil Engineering Materials, February 2014, ASTM International

    Paul Stutzman