TY - GEN AU - Nath, A C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1968-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.442 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1968 TI - An empirical formula of the coherent scattering cross section of gamma rays.: ER -