TY - RPRT TI - Evaluation of resistance strain gages at elevated temperatures : progress report no. 9 AU - Bloss, R L AU - Melton, C H AU - Trumbo, J T PY - 1960 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS RPT 6900 DO - 10.6028/NBS.RPT.6900 ER -