@book{798,
	author = {Brooks, George E.},
	title = {Kola trade and state-building: upper Guinea Coast and Senegambia, 15TH-17TH centuries [monografia]/ George E. Brooks},
	publisher = {Boston University African Studies Center,},
	year = {1980.},
	address = {Brookline:},
	note = {1980}
}