Expansions And Contractions: World-Historical Change And The Western Sudan World-System (1200/1000 B.C.-1200/1250 A.D.)

Author(s):	Kea, Ray A
URL:	http://jwsr.ucr.edu/archive/vol10/number3/pdf/jwsr-v10n3-kea.pdf
Format:	Article
Date:	Fall 2004
Source:	Journal of World-Systems Research
Volume:	10
Number:	3
Permalink:	http://etana.org/node/10396