Lyubashits VY, Razuvaev NV, Mamychev AY, Shestopal SS, I. BV. Signs of State and Their Historical Modifications. TAKSAD [Internet]. 2018Sep.30 [cited 2024May3];7(3):175-86. Available from: http://kutaksam.karabuk.edu.tr/index.php/ilk/article/view/1746