Creating a canonical scientific and technical information classification system for NCSTRL+ [microform] / Melissa E. Tiffany, Michael L. Nelson (NASA/TM ; 1998-208955)
Creating a canonical scientific and technical information classification system for NCSTRL+ [microform] / Melissa E. Tiffany, Michael L. Nelson
原資料の出版事項: Hampton, Va. ; [Springfield, Va. : National Aeronautics and Space Administration, Langley Research Center : National Technical Information Service, distributor, 1998]