TY - RPRT TI - Interrelations between cement and concrete properties, part 1 : materials, techniques, water, requirements and trace elements AU - Blaine, R L AU - Arni, H T AU - Foster, B E PY - 1965 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BSS 2 DO - 10.6028/NBS.BSS.2 ER -