BREZEANU, A., and G. COGĂLNICEANU. “Theoretical and Biotechnological Approaches in the Institute of Biology Bucharest Between 1975 - 2015 Based on Plant Cell and Tissue Culture Technology”. Studia Universitatis Babeș-Bolyai Biologia, vol. 61, no. 1, June 2016, pp. 15-17, http://193.231.18.162/index.php/subbbiologia/article/view/4383.