TY - RPRT TI - User's guide to the NIST virtual cement and concrete testing Laboratory Version 1.0 AU - Bentz, Dale P AU - Forney, Glenn P PY - 2000 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6583 DO - 10.6028/NIST.IR.6583 ER -