TY - GEN AU - Randa, James C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1986-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.1303 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1986 TI - A lattice approach to volumes irradiated by unknown sources: ER -