แม่แบบ:R:ine:Kortlandt:2014
Kortlandt, Frederik (2014), chapter Proto-Indo-European “thorn”-clusters, in Historische Sprachforschung / Historical Linguistics[1], volume 127, Vandenhoeck & Ruprecht, JSTOR 43857953
Kortlandt, Frederik (2014), chapter Proto-Indo-European “thorn”-clusters, in Historische Sprachforschung / Historical Linguistics[1], volume 127, Vandenhoeck & Ruprecht, JSTOR 43857953