Long vowels in Northern Ryukyuan and the reconstruction of the proto-Ryukyuan accent systemKita-Ryūkyū shogo ni okeru chōboin to Ryūkyū sogo no akusento taikei no saiken (北琉球諸語における長母音と琉球祖語のアクセント体系の再建)EnJa
Thomas Pellard, « Long vowels in Northern Ryukyuan and the reconstruction of the proto-Ryukyuan accent system », HAL-SHS : linguistique, ID : 10670/1.mkr3z9