Century 21 Exposition.
By: Hearings before the Commiittee on Science and Astronautics, U.S. House of Representatives, Eighty-sixth Congress, first session, on H.R. 7982, H.R. 8203, and H.R. 8374. July 8, 9, and 23, 1959.
Publisher: U.S. Govt. Print. Off.
Published: 1959
Place of publication: Washington
Language: eng
Number of pages: 82
Notes: "No. 21."