ĎURKOVIČ, Jaroslav. Vegetative propagation techniques for oak, ash, sycamore and spruce. In Forest genetics : international journal of forest genetics. ISSN 1335-048X, 2002, vol. 9, no. 2, p. 166. Recenzia na: Vegetative propagation techniques for oak, ash, sycamore and spruce / David Thompson ... [et al.]. - Dublin : COFORD, 2001. - ISBN 1-902696-19-0. Dostupné na internete: <https://kf.tuzvo.sk/sites/default/files/FG09-2_166.pdf>