PALUŠ, Hubert - KRAHULCOVÁ, Martina. Ensuring ecosystem services of forests with the emphasis on their production function. In Digitalisation and circular economy: forestry and forestry based industry implications : proceedings of scientific papers. - Sofia ; Zagreb : Union of Scientists of Bulgaria : WoodEMA, 2019. ISBN 978-954-397-042-1, p. 55-60. VEGA 1/0674/19 ; VEGA 1/0666/19 ; IPA TUZVO 21/2019. WOS, SCOPUS. Dostupné na internete: <http://www.woodema.org/proceedings/WoodEMA_2019_Proceedings.pdf>