Research areas

  1. Published

    Oversigt over Botanisk Haves Plantesamling

    Friis, Ib & Edlefsen, L. B., 1970, Københavns Universitets Fond til tilvejebringelse af læremidler. 101 p.

    Research output: Book/ReportBookEducation

  2. Published

    A new species of Guizotia (Compositae) from NE tropical Africa

    Friis, Ib, 1971, In : Norwegian Journal of Botany. 18, p. 231-234

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    A new species of Haemanthus (Amaryllidaceae) from SW Ethiopia

    Friis, Ib & Bjørnstad, I., 1971, In : Norwegian Journal of Botany. 18, p. 227-230

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. Published

    A revision of the Stachys aculeolatus group (Labiateae) in tropical Africa

    Friis, Ib, Bjørnstad, I. & Thulin, M., 1971, In : Norwegian Journal of Botany. 18, p. 121-138

    Research output: Contribution to journalJournal articleResearchpeer-review

  5. Published

    Hall effect in the normal and flux-flow states of some indium alloys

    Byrnak, B. & Rasmussen, F. B., 1 Oct 1971, In : Physica B: Condensed Matter. 55, p. 357-361 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  6. Published

    Studies in the genus Haemanthus (Amaryllidaceae) I. The infrageneric taxonomy

    Friis, Ib & Bjørnstad, I., 1972, In : Norwegian Journal of Botany. 19, p. 187-206

    Research output: Contribution to journalJournal articleResearchpeer-review

  7. Published

    Studies in the genus Haemanthus (Amaryllidaceae) II. A revision of the section Demeusea (De Wild. & Th. Dur.) Pax & Hoffm. emend Bjørnst. & Friis

    Friis, Ib & Bjørnstad, I., 1972, In : Norwegian Journal of Botany. 19, p. 207 — 222.

    Research output: Contribution to journalJournal articleResearchpeer-review

  8. Published

    Dorstenia soerensenii sp. nov. (Moraceae) from SW Ethiopia, and related species

    Friis, Ib, 1974, In : Norwegian Journal of Botany. 21, p. 101-110

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Studies in the genus Haemanthus (Amaryllidaceae) III. A revision of the sections Gyaxis and Nerissa

    Friis, Ib & Bjørnstad, I., 1974, In : Norwegian Journal of Botany. 21, p. 243-275

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. Published

    Observation of nuclear magnetic order in solid 3He

    Halperin, W. P., Archie, C. N., Rasmussen, F. B., Buhrman, R. A. & Richardson, R. C., 1 Jan 1974, In : Physical Review Letters. 32, 17, p. 927-930 4 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

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