Authors: FRIIS I

Citation: I. Friis, MAULE,ANNE,FOX (1917-1997), Taxon, 47(2), 1998, pp. 518-519

Authors: MICHELSEN A LISANEWORK N FRIIS I HOLST N

Citation: A. Michelsen et al., COMPARISONS OF UNDERSTOREY VEGETATION AND SOIL FERTILITY IN PLANTATIONS AND ADJACENT NATURAL FORESTS IN THE ETHIOPIAN HIGHLANDS, Journal of Applied Ecology, 33(3), 1996, pp. 627-642

Authors: VORSTER P FRIIS I

Citation: P. Vorster et I. Friis, GERANIACEAE - LECTOTYPIFICATION OF PELARGONIUM-MULTIBRACTEATUM, Bothalia, 25(1), 1995, pp. 102-104

Authors: MICHELSEN A LISANEWORK N FRIIS I

Citation: A. Michelsen et al., IMPACTS OF TREE PLANTATIONS IN THE ETHIOPIAN HIGHLAND ON SOIL FERTILITY, SHOOT AND ROOT-GROWTH, NUTRIENT UTILIZATION AND MYCORRHIZAL COLONIZATION, Forest ecology and management, 61(3-4), 1993, pp. 299-324