HLADKÁ, Drahomíra - PRIWITZER, Tibor. Ecophysiological and morphological characteristics of fir ( Abies alba Mill.) plants on dependence of light condition changes. In Ekológia : časopis pre ekologické problémy biosféry. - Bratislava : Academic electronic press, 2005. ISSN 1335-342X, 2005, vol. 24, no. 4, s. 357-367.