Taagepera, Rein (1979). “Size and Duration of Empires: Growth-Decline Curves, 600 B.C. to 600 A.D.”. Social Science History3 (3/4): 115–138. doi:10.1017/S014555320002294X. JSTOR1170959.
jstor.org
Taagepera, Rein (1979). “Size and Duration of Empires: Growth-Decline Curves, 600 B.C. to 600 A.D.”. Social Science History3 (3/4): 115–138. doi:10.1017/S014555320002294X. JSTOR1170959.