TY - RPRT TI - Supplement to circular of the Bureau of Standards C101 (ed. 2)- physical properties of materials: I. strengths and related properties of metals and wood PY - 1937 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 101e2sup DO - 10.6028/NBS.CIRC.101e2sup ER -