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Extended abstracts and program : June 22-23, 1981, Phila., Pa.
  • 作者：Conference on Carbon
  • 出版社：[S.l. : s.n.], [1981?].

Extended abstracts and program : 15th Biennial Conference on Carbon, June 22-23, 1981, Philadelphia,
  • 作者：American Carbon Society.
  • 出版社：[S.l. : s.n.], [1981?]
  • 出版年：1981

Program and abstracts : Conference on Photoelectric and Secondary Electron Emission, Aug. 22-23, 197
  • 作者：Conference on Photoelectric and Secondary Electron Emission
  • 出版社：[S.l. : s.n.].

Fluid mechanics of combustion systems : Presented at the ..., Boulder, Colo., June. 22-23, 1981
  • 作者：American Society of Mechanical Engineers.
  • 出版社：New York : ASME, 1981.
  • 出版年：1981

AIAA 5th Computational Fluid Dynamics Conference : June 22-23, 1981, Palo Alto, Calif. : a collectio
  • 作者：American Institute of Aeronautics and Astronautics.
  • 出版社：N.Y., 1981
  • 出版年：1981

Laser safety, two-day seminar, 22-23 Sept. 1981, Londo, Summaries of contributions.
  • 作者：Sira Institute Ltd
  • ISBN：0000000000
  • 出版社：Chislehurst : Sira, c1981.
  • 出版年：1981