Research areas

  1. Published

    160 botaniske stikord. / Christensen, Knud Ib.

    Gyldendals DVD leksikon. København : Gyldendal, 2006.

    Research output: Chapter in Book/Report/Conference proceedingEncyclopedia chapterResearch

  2. Published

    17th century arguments for the impossibility of the indefinite and the definite circle quadrature. / Lützen, Jesper.

    In: Revue d'histoire des Mathematiques, Vol. 20, No. 2, 2014, p. 211-251.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    18. Pandakia (Moq.) Hook. f. in C. Towsend, 37. Amaranthaceae. / Friis, Ib.

    Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. ed. / Sue Edwards; Mesfin Tadesse; Sebsebe Demissew; Inga Hedberg. Vol. 2, 1 Uppsala, Sweden & Addis Ababa, Ethiopia : University of Uppsala, 2000. p. 331-332.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  4. Published

    2008 : planeten Jordens internationale år. / Sørensen, Henning.

    In: Naturens Verden, No. 2, 2007, p. 27-37.

    Research output: Contribution to journalJournal articleResearch

  5. Published

    206. Marantaceae. / Lye, K.A.; Friis, Ib.

    Flora of Ethiopia and Eritrea: Hydrocharitaceae to Arecaveae. ed. / Sue Edwards; Sebsebe Demissew; Inga Hedberg. Vol. 6 Uppsala : Addis Ababa and Uppsala, 1997. p. 335-338.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  6. Published

    3. Lauraceae. / Friis, Ib.

    Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. ed. / Sue Edwards; Mesfin Tadesse; Sebsebe Demissew; Inga Hedberg. Vol. 2, 1 Uppsala, Sweden & Addis Ababa, Ethiopia : University of Uppsala, 2000. p. 14-17.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  7. Published

    3.21 Laver og mosser. / Hansen, Eric Steen; Mogensen, Gert Steen.

    Arktisk Station 1906-2006. København : Thames, 2006. p. 316-321.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  8. Published

    36. Chenopodiaceae. / Friis, Ib; Gilbert, M.G.

    Flora of Ethiopia and Eritrea: Magnoliaceae-Flacourtiaceae. ed. / Sue Edwards; Mesfin Tadesse; Sebsebe Demissew; Inga Hedberg. Vol. 2, 1 Uppsala, Sweden & Addis Ababa, Ethiopia : University of Uppsala, 2000. p. 277-298.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  9. Published

    38. Chenopodiaceae (incl. Salicorniaceae and Salsolaceae). / Friis, Ib; Gilbert, M.G.

    Flora of Somalia. ed. / Mats Thulin. Vol. 1 Kew, England : Royal Botanic Gardens, 1993. p. 127-140.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  10. Published

    3D regional scale hydrostratigraphical modeling based on sequence stratigraphical methods. / Scharling, Peter; Rasmussen, Erik Skovbjerg; Sonnenborg, Torben; Engesgaard, Peter Knudegaard; Hinsby, Klaus.

    In: Hydrogeology Journal, Vol. 17, 2009, p. 1913-1933.

    Research output: Contribution to journalJournal articleResearchpeer-review

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