CHROMEK, Ivan et al. Hollow tree fire is a useless forest fire category. In Central European forestry journal. ISSN 2454-034X, 2018, vol. 64, no. 1, p. 67-78. QJ1620454. WOS, SCOPUS. Dostupné na internete: <https://www.degruyter.com/downloadpdf/j/forj.2018.64.issue-1/forj-2017-0028/forj-2017-0028.pdf>