TY - RPRT TI - Early strength, flow and dimensional changes obtained on amalgam prepared with a standardized mechanical technic: progress report AU - Caul, Harold J AU - Kimmel, W Dean AU - Paffenbarger, G C PY - 1964 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 8507 DO - 10.6028/NBS.RPT.8507 ER -