Hieda, Osamu. 1991. Koegu Vocabulary, with a reference to Kara. African Study Monographs, Supplement 14. 1-70.
@article{wHiedaKoegu,
author = {Hieda, Osamu},
journal = {African Study Monographs, Supplement},
pages = {1-70},
title = {Koegu Vocabulary, with a reference to Kara},
volume = {14},
year = {1991}
}