@PhdThesis{Intrusion_Detection_Modeling_System_State_to_Detect_and_Classify_Aberrant_Behavior,
  author = "Jeffrey L Undercoffer",
  title = "{Intrusion Detection:  Modeling System State to Detect and Classify Aberrant Behavior}",
  month = "February",
  year = "2004",
  organization = "Department of Computer Science and Electrical Engineering",
  school = "University of Maryland, Baltimore County",
}