JANÍK, Rastislav. Influence of selected factors on the aboveground and belowgroung biomass production of Rubus idaeus and Rubus hirtus species in submontane beech forest. In Ekológia : international Journal for Ecological Problems of the Biosphere. - Bratislava : Academic electronic press. ISSN 1335-342X, 1998, roč. 17, č. 2, s. 134-141.