@book{13970,
	title = {Ethnological Society Bulletin vol. I, nos. 1-10 and vol. II, no. 1 /},
	publisher = {Addis Ababa University, Department of Sociology and Social Administration,},
	year = {2002.},
	address = {Addis Ababa :},
	note = {Reprint with a preface by Professor Stanislaw Chojnacki, Advisor to the society, 1952-1959.}
}