@misc{1136831, author = {Conrad Bock and Allison Barnard Feeney}, title = {Engineering Change Management Concepts for Systems Modeling:}, year = {2013}, month = {2013-04-01 04:04:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.7922}, language = {en}, }