RT Book T1 How to think about homeland security A1 McIntyre, David H. LA English PP Lanham PB Rowman & Littlefield YR 2020 UL https://krimdok.uni-tuebingen.de/Record/1664366210 CN HV551.3 K1 EMERGENCY management : United States K1 public safety : United States K1 National Security : United States K1 Civil defense : United States