(1989). Hearing before the committee on science, space, and technology U.S. House of representatives. Washington: U. S. Government Office.
Styl ChicagoHearing Before the Committee On Science, Space, and Technology U.S. House of Representatives. Washington: U. S. Government Office, 1989.
Citace podle MLAHearing Before the Committee On Science, Space, and Technology U.S. House of Representatives. Washington: U. S. Government Office, 1989.
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