TY  - RPRT
TI  - Factors affecting the soundness of blended cements 
AU  - Brown, Paul Wencil
AU  - Clifton, James R
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 81-2273
DO  - 10.6028/NBS.IR.81-2273
ER  -