Vole–vegetation interactions in an experimental, enemy free taiga floor systemRammul, Üllar; Oksanen, Tarja; Oksanen, Lauri; Lehtelä, Jouko; Virtanen, Risto; Olofsson, Johan; Strengborn, Joachim; Rammul, Ivi; Ericson, LarsOikos2007 / p. 1501–1513 http://dx.doi.org/10.1111/j.0030-1299.2007.14981.x