TY - RPRT TI - Supplement 2 to NBS Circular 499: nuclear data- a collection of experimental values of half-lives, radiation energies, relative isotopic abundances, nuclear moments, and cross sections AU - Way, Katharine AU - Fuller, Gladys AU - Wood, Marion AU - Thew, Karin AU - Jurgens, Alice PY - 1951 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS CIRC 499sup2 DO - 10.6028/NBS.CIRC.499sup2 ER -