. . . . "Emergency preparedness in the Washington metropolitan area : oversight hearings before the Subcommittee on Government Operations and Metropolitan Affairs of the Committee on the District of Columbia, House of Representatives, Ninety-seventh Congress, second session, on the status of emergency preparedness in the Washington metropolitan area, and suggestions to improve this region's coordination in times of emergencies, February 2, and May 5, 1982"@en . . . . . . . . . . . . "Emergency preparedness in the Washington metropolitan area oversight hearings before the Subcommittee on Government Operations and Metropolitan Affairs of the Committee on the District of Columbia, House of Representatives, Ninety-seventh Congress, second session, on the status of emergency preparedness in the Washington metropolitan area, and suggestions to improve this region's coordination in times of emergencies, February 2, and May 5, 1982"@en . . . .