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  • Journals, Magazines, Newspapers

    NASA patent abstracts bibliography

  • Journals, Magazines, Newspapers

    NASA patent abstracts bibliography

  • Journals, Magazines, Newspapers

    Technical publications announcements with indexes

  • Journals, Magazines, Newspapers

    NASA patent abstracts bibliography

    NASA patent abstracts bibliography (1987)
  • Journals, Magazines, Newspapers

    International aerospace abstracts