TY - GEN AU - Conrad Bock AU - Allison Barnard C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 2013-04-22 DO - https://doi.org/10.6028/NIST.IR.7922 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 2013 TI - Engineering Change Management Concepts for Systems Modeling ER -