Norwegian dialects

norske dialektane: Tradisjonelle særdrag i jamføring med skriftmåla, Høyskoleforlaget (Norwegian Academic Press), 1997 （挪威语）  濁硬腭塞擦音 在PHOIBLE上搜尋含有[cç]的語言

(PDF)于2019-12-16）  Green, W.A.I., 7 The Dialects of the Palatinate (Das Pfälzische), Russ, Charles (编), The Dialects of Modern German: A Linguistic Survey

characteristics for clear /l/ and dark /l/: evidence from two Catalan dialects, Journal of the International Phonetic Association, 2005, 35 (1): 1–25

Collins & Mees (2003)，第197頁. Roca & Johnson (1999)，第73頁. Northern Greek Dialects Portal for the Greek Language. [2021-03-27]. （原始内容存档于2020-11-27）.  Pop

(1996)，第?頁. Dahlstedt (1967)，第16頁. Altendorf, Ulrike; Watt, Dominik, The dialects in the South of England: phonology, Schneider, Edgar W.; Burridge, Kate;