TY - RPRT TI - Interrelations between cement and concrete properties, part 4 : shrinkage of neat Portland cement pastes and concretes AU - Blaine, R L AU - Arni, H T AU - Evans, D N PY - 1969 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS BSS 15 DO - 10.6028/NBS.BSS.15 ER -