Asist. Prof. Dr. Hakan SEVIK,Kastamonu University Faculty of Engineering and Architecture. Msc Thesis: The Differences Among Populations in Scots Pine (Pinus sylvestris L.) Seed Stands of Western Black Sea Region / Gazi Universtity, Graduate School of Natural and Applied Sciences, 60p. 2004.Doctorate Thesis: Structure of Genetic Diversity in The Populations of Turkish fir (Abies nordmanniana subsp. bornmülleriana Mattf.), Karadeniz Technical University, Graduate School of Natural And Applied Sciences, 150p. 2010.