 Jaarraa jedhame kanaa eegalee beektotaan Jarosseau 1922, Andrzejewski 1957,1966, 1972, Webster 1960, Borello1945, 1946, 1948, 1970 Abdurahman 1969, 1972 Afaan Oromoorratti barreeffamuu isaa Gragg, Bender 1976:168 keessatti ni ibsa. 