TY - RPRT TI - Supplementary list of publications of the National Bureau of Standards- July 1, 1947 to June 30, 1957 PY - 1958 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 460sup1958 DO - 10.6028/NBS.CIRC.460sup1958 ER -