Columbia subject headings:
Nuclear terrorism--United States--Prevention--Evaluation.
Radioactive substances--Detection--United States--Evaluation.
Smuggling--United States--Prevention--Evaluation.
Harvard subject headings:
Nuclear terrorism--United States--Prevention--Evaluation.
Radioactive substances--Detection--United States--Evaluation.
Smuggling--United States--Prevention--Evaluation.
Princeton subject headings:
Nuclear terrorism--United States--Prevention--Evaluation.
Radioactive substances--Detection--United States--Evaluation.
Smuggling--United States--Prevention--Evaluation.