Activities of the National Transportation Safety Board.
Subtitle: Hearings, Ninety-third Congress, first session ... May 21 and 23, 1973.
Publisher: U.S. Govt. Print. Off.
Published: 1973
Place of publication: Washington
Language: eng
Number of pages: 213
Subjects: United States. National Transportation Safety Board.
Notes: "Serial no. 93-38."