Siebert, Ralph, Klaus Wedekind & Charlotte and Wedekind. 2002. Third S.L.L.E. survey on languages of the Begi/Asosa area. SIL International.
@misc{3429,
author = {Siebert and Ralph and Wedekind, Klaus and and Wedekind, Charlotte},
title = {Third S.L.L.E. survey on languages of the Begi/Asosa area. SIL International.},
year = {2002}
}