@misc{indiciae1e3a4f7b84ab,
  title = {Security System Design Concepts Instructor Guide},
  author = {Ek, David R. and Roach, Michelle Ann},
  year = {2017},
  doi = {10.2172/1414060},
  url = {https://www.osti.gov/biblio/1414060},
  note = {Source identifier: 1414060}
}