TY - RPRT TI - Energy conversation through the facilitation of increased blended cement use AU - Brown, Paul Wencil AU - Clifton, James R AU - Frohnsdorff, Geoffrey PY - 1976 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 76-1008 DO - 10.6028/NBS.IR.76-1008 ER -