TY - RPRT TI - Circular of the Bureau of Standards no. 447: mechanical properties of metals and alloys AU - Everhart, John L AU - Lindlief, W Earl AU - Kanegis, James AU - Weissler, Pearl G AU - Siegel, Frieda PY - 1943 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 447 DO - 10.6028/NBS.CIRC.447 ER -