FIALA, Karel. The role of grass ecosystems of deforested areas in hte region affected by air pollution (The Beskydy Mts., The Czech Republic ). In Ekológia : časopis pre ekologické problémy biosféry. - Slovak Academic Press : Bratislava. ISSN 1335-342X, 1998, roč. 17, supplement 1, s. 241-255Error: read handle in (rep.epca.fmtISO690).fmtXDatabaze.