TY - GEN AU - Ullmann,J L AU - Peek,N AU - Johnsen,S W AU - Raventos,A AU - Heintz,P TI - Improved measurement of neutron spectrum from 35 MeV protons on thick beryllium SN - 0094-2405 PY - 1982///0313 KW - Beryllium KW - Fast Neutrons KW - Neutrons KW - Protons KW - Radiometry KW - instrumentation KW - Radiotherapy, High-Energy KW - Spectrum Analysis KW - methods N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1118/1.594965 ER -