TY - GEN AU - R L Blaine AU - L A Tomes C2 - Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.BSS.28 LA - en PB - Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Exploratory studies of early strength development in Portland cement pastes and mortars: ER -