RAČKO, Vladimír - ČUNDERLÍK, Igor. Influence of some factors on beech false heartwood formation : 1. influence of tree age, ripewood ratio and stem diameter [1. vplyv veku, podielu zrelého dreva a priemeru kmeňa]. In Drevársky výskum. ISSN 0012-6136, 2002, vol. 47, no. 2, p. 7-17. WOS, SCOPUS.