(1989). Arctic and antarctic ozone depletion: Hearing before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation United States Senate one hundred first Congress ; first session on arctic and antarctic ozone depletion, February 23, 1989. US Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)Arctic and Antarctic Ozone Depletion: Hearing Before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation United States Senate One Hundred First Congress ; First Session on Arctic and Antarctic Ozone Depletion, February 23, 1989. Washington: US Gov. Print. Off, 1989.
MLA-Zitierstil (9. Ausg.)Arctic and Antarctic Ozone Depletion: Hearing Before the Subcommittee on Science, Technology, and Space of the Committee on Commerce, Science, and Transportation United States Senate One Hundred First Congress ; First Session on Arctic and Antarctic Ozone Depletion, February 23, 1989. US Gov. Print. Off, 1989.