TY - GEN AU - Way, Katharine AU - Wood, Marion AU - Thew, Karin C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1951-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.CIRC.499sup1 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1951 TI - Supplement 1 to NBS Circular 499::nuclear data- a collection of experimental values of half-lives, radiation energies, relative isotopic abundances, nuclear moments, and cross sections ER -