Kuznetsov, S.I., and A.M. Gorelov. “Professor F.M. Levon. Scientific and a Course of Life (the 75-Th Anniversary of the Birth)”. Plant Introduction 59 (September 1, 2013): 125-132. Accessed November 5, 2024. http://plantintroduction.org/index.php/pi/article/view/315.