TY - RPRT TI - A water bath blackbody for the 5 to 60 degree] temperature range: performance goal, design concept, and test results AU - Geist, Jon PY - 1986 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS TN 1228 DO - 10.6028/NBS.TN.1228 ER -