Interactions between willows and insect herbivores under enhanced ultraviolet-B radiation.Published in:Oecologia, 2003, v. 137, n. 2, p. 312, doi. 10.1007/s00442-003-1298-0By:Veteli, T. O.;Tegelberg, R.;Pusenius, J.;Sipura, M.;Julkunen-Tiitto, R.;Aphalo, P. J.;Tahvanainen, J.Publication type:Article