Gwynn-Jones D, Lee JA, Johanson U, Phoenix GK, Callaghan T V., Sonesson M. 1999. The response of plant functional types to enhanced UV-B radiation. In: Rozema J, ed. Stratospheric Ozone Depletion: the effects of enhanced UV-B radiation on terrestrial ecosystems. Swedish Polar Research Secretariat, Abisko Scientific Research Station, 173–186.