ELIÁŠ, Pavol. Overwintering of plants in understory of temperate deciduous forests: evergreen and semi-evergreen broad-leaved species. In Towards climatic services. 1st ed. 1 CD-ROM (174 s.). ISBN 978-80-552-1390-3. Towards climatic services. Nitra : Slovak University of Agriculture, 2015, [3] s., CD-ROM. Available on Internet:<http://www.sbks.sk/doc/papers/Elias%20Overwintering.pdf>