TY - RPRT TI - ARPA-NBS Program of research on high temperature materials and laser materials : reporting period January 1 to June 30, 1971 AU - Bennett, Herbert S. AU - Franklin, A D PY - 1971 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 703 DO - 10.6028/NBS.TN.703 ER -