TY - RPRT TI - The Internal Revenue Service Post-of-Duty location modeling system - user's manual version 4.0 AU - Domich, Paul D AU - Jackson, Richard H F AU - McClain, Marjorie A PY - 1988 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NIST IR 86-3471-1 DO - 10.6028/NIST.IR.86-3471-1 ER -