Title: Biblio RTF Export
Author: Biblio 7.x

Solga A, Burkhardt J, Zechmeister HG, Frahm JP. Nitrogen content, 15N natural abundance and biomass of the two pleurocarpous mosses Pleurozium schreberi (Brid.) Mitt.and Scleropodium purum (Hedw.) Limpr. in relation to atmospheric nitrogen deposition. Environmental Pollution. 2005  ;134:465-473.

Burkhardt J, Sutton MA, Milford C, Storeton-West RL, Fowler D. Ammonia concentrations at a site in southern Scotland from 2 yr of continuous measurements. Atmospheric Environment . 1998  ;32:325-331.