"Samogłoski." . . "Copte (langue) Voyelles." . . "Język koptyjski fonetyka." . . . . . . . . . . . "Some hypotheses concerning the prehistory of the coptic vowels"@en . "Some hypotheses concerning the prehistory of the coptic vowels" . . "Some Hypotheses concerning the Prehistory of the Coptic Vowels"@en . . . . "Some Hypotheses concerning the prehistory of the Coptic vowels" . . "Some hypotheses concerning the prehistory of the Coptic vowels" . . . . . . . .