@book{80056,
	author = {Kamioka, Koji. and Yajima, Hikoichi.},
	title = {The inter-regional trade in the western part of the Indian ocean : },
	publisher = {Instityte for the study of languages and cultures of Asia and Africa, },
	year = {1979.},
	series = {Studia culturae Islamicae},
	address = {Tokyo : }
}