TY - RPRT TI - Standard neutron fields documentation: E.0.1 NIST Cavity Fission Source (CFS) - operations manual AU - Grundi, J A PY - 2000 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 6419 DO - 10.6028/NIST.IR.6419 ER -