Interspecies and interregional comparisons of the chemistry of PAHs and trace elements in mosses Hylocomium splendens (Hedw.) B.S.G. and Pleurozium schreberi (Brid.) Mitt. from Poland and Alaska - Migaszewski, Z.M.; Galuszka, A.; Crock, J.G.; Lamothe, P.; Dolegowska, S. (Atmospheric Environment, 2009)