TY - BOOK AU - Blaine,R.L. AU - Tomas,L.A. TI - Exploratory studies of early strength development in Portland cement pastes and mortars U1 - 624.183 PY - 1970/// CY - Washington, D. C. PB - United States Government Printing Office KW - Portland cement KW - Concrete KW - Asphalt concrete ER -