TY  - RPRT
TI  - Exploratory studies of early strength development in Portland cement pastes and mortars 
AU  - Blaine, R L
AU  - Tomes, L A
PY  - 1970
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS BSS 28
DO  - 10.6028/NBS.BSS.28
ER  -