TY - RPRT TI - Circular of the Bureau of Standards no. 590: methods of testing thermocouples and thermocouple materials AU - Roeser, William F AU - Lonberger, S T PY - 1958 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 590 DO - 10.6028/NBS.CIRC.590 ER -