Introduction of invertebrates into the High Arctic via imported soils: the case of Barentsburg in the Svalbard - Coulson, Stephen J.; Fjellberg, Arne; Gwiazdowicz, Dariusz J.; Lebedeva, Natalia V.; Melekhina, Elena N.; Solhøy, Torstein; Erséus, Christer; Maraldo, Kristine; Miko, Ladislav; Schatz, Heinrich; Schmelz, Rüdiger M.; Søli, Geir; et al. (Biological Invasions, 2012)