MATSCHKE, J., MACHÁČKOVÁ, Ivana. Changes in the Content of Indole-3-Acetic Acid and Cytokinins in Spruce, Fir and Oak Trees after Herbicide Treatment. Biologia Plantarum. 2002, 45(3), 375-382. ISSN 0006-3134. E-ISSN 1573-8264.