@misc{256281, author = {Timothy Sprock and George Thiers and Leon McGinnis and Conrad Bock}, title = {Theory of Discrete Event Logistics Systems (DELS) Specification}, year = {2020}, month = {2020-06-12}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.8262}, language = {en}, }