TY - RPRT TI - The calcium sulfate-water system: 2. infrared spectroscopic, x-ray powder diffraction and scanning electron microscopic studies AU - Clifton, James R PY - 1970 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 10512 DO - 10.6028/NBS.RPT.10512 ER -