African Linguistics, 12, 1, 1-43. Casali, Roderic F. (1995) 'On the Reduction of Vowel Systems in Volta-Congo', African Languages and Cultures, 8, 2, December
African Linguistics, 12, 1, 1–43. Casali, Roderic F. (1995) 'On the Reduction of Vowel Systems in Volta–Congo', African Languages and Cultures, 8, 2, December
African Linguistics, 12, 1, 1–43. Casali, Roderic F. (1995) 'On the Reduction of Vowel Systems in Volta–Congo', African Languages and Cultures, 8, 2, December
„Electronic Evidence and Physiological Reasoning Identifying the Elusive Vowel "a" in Neil Armstrong's Statement on First Stepping onto the Lunar Surface”