TY - RPRT TI - Computational materials science of cement-based materials : an education module AU - Coverdale, R Tate AU - Garboczi, Edward J AU - Bentz, Dale P PY - 1993 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 1405 DO - 10.6028/NIST.TN.1405 ER -