Authors
Mait Lang
Tartu Observatory, Faculty of Science and Technology, University of Tartu, Tartumaa, Estonia
Institute of Forestry and Rural Engineering, Estonian University of Life Sciences, Tartu, Estonia
Mihkel Kaha
Tartu Observatory, Faculty of Science and Technology, University of Tartu, Tartumaa, Estonia
Diana Laarmann
Institute of Forestry and Rural Engineering, Estonian University of Life Sciences, Tartu, Estonia
Allan Sims
Forest Department, Estonian Environment Agency, Tallinn, Estonia