TY - RPRT TI - Best practices for modeling, simulation and analysis (MS&A) for homeland security applications AU - Jain, Sanjay AU - McLean, Charles R PY - 2011 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7655 DO - 10.6028/NIST.IR.7655 ER -