TY - RPRT TI - Users manaual for version 4.0 of the cost-effectiveness tool for capital asset protection AU - Chapman, Robert E AU - Rushing, Amy S PY - 2008 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7524 DO - 10.6028/NIST.IR.7524 ER -