TY - RPRT TI - User evaluation of "Phase diagrams for ceramists" and implications for related data and research programs AU - Roth, R S AU - Cook, L P AU - Negas, T AU - Cleek, G W AU - Wachtman, J B PY - 1977 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS SP 486 DO - 10.6028/NBS.SP.486 ER -