@book{49956,
	author = {Amjadi, Azita. and Reincke, Ulrich,},
	title = {Did external barriers cause the marginalization of Sub-Saharan Africa in world trade? /},
	publisher = {World Bank,},
	year = {c1996.},
	series = {World Bank discussion paper,},
	address = {Washington, D.C. :}
}