Voiced glottal fricative (English Wikipedia)

Laufer (1991:91) Laufer, Asher (1991), "Phonetic Representation: Glottal Fricatives", Journal of the International Phonetic Association, 21 (2): 91–93, doi:10.1017/S0025100300004448, S2CID 145231104
Koenig, Laura L.; Shi, Lu-Feng (2014). "3aSC18: Measures of spectral tilt in Shanghainese stops and glottal fricatives". The Journal of the Acoustical Society of America. Providence. doi:10.1121/1.4877532.
Coretta, Stefano; Riverin-Coutlée, Josiane; Kapia, Enkeleida; Nichols, Stephen (n.d.). "Northern Tosk Albanian". Journal of the International Phonetic Association. 53 (3): 1122–1144. doi:10.1017/S0025100322000044. hdl:20.500.11820/ebce2ea3-f955-4fa5-9178-e1626fbae15f. ISSN 0025-1003.
Gussenhoven (1992:45) Gussenhoven, Carlos (1992), "Dutch", Journal of the International Phonetic Association, 22 (2): 45–47, doi:10.1017/S002510030000459X, S2CID 243772965
Roach (2004:241) Roach, Peter (2004), "British English: Received Pronunciation", Journal of the International Phonetic Association, 34 (2): 239–245, doi:10.1017/S0025100304001768
Arai, Warner & Greenberg (2007), p. 47. Arai, Takayuki; Warner, Natasha; Greenberg, Steven (2007), "Analysis of spontaneous Japanese in a multi-language telephone-speech corpus", Acoustical Science and Technology, 28 (1): 46–48, doi:10.1250/ast.28.46
Harry (2003:113) Harry, Otelemate (2003), "Kalaḅarị-Ịjo", Journal of the International Phonetic Association, 33 (1): 113–120, doi:10.1017/S002510030300121X
Gussenhoven & Aarts (1999:155) Gussenhoven, Carlos; Aarts, Flor (1999), "The dialect of Maastricht" (PDF), Journal of the International Phonetic Association, 29 (2), University of Nijmegen, Centre for Language Studies: 155–166, doi:10.1017/S0025100300006526, S2CID 145782045, archived from the original (PDF) on 2017-10-11, retrieved 2015-10-25
Verhoeven (2007:219) Verhoeven, Jo (2007), "The Belgian Limburg dialect of Hamont", Journal of the International Phonetic Association, 37 (2): 219–225, doi:10.1017/S0025100307002940

handle.net (Global: 102^nd place; English: 76^th place)

hdl.handle.net

Coretta, Stefano; Riverin-Coutlée, Josiane; Kapia, Enkeleida; Nichols, Stephen (n.d.). "Northern Tosk Albanian". Journal of the International Phonetic Association. 53 (3): 1122–1144. doi:10.1017/S0025100322000044. hdl:20.500.11820/ebce2ea3-f955-4fa5-9178-e1626fbae15f. ISSN 0025-1003.

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Gussenhoven & Aarts (1999:155) Gussenhoven, Carlos; Aarts, Flor (1999), "The dialect of Maastricht" (PDF), Journal of the International Phonetic Association, 29 (2), University of Nijmegen, Centre for Language Studies: 155–166, doi:10.1017/S0025100300006526, S2CID 145782045, archived from the original (PDF) on 2017-10-11, retrieved 2015-10-25

semanticscholar.org (Global: 11^th place; English: 8^th place)

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Laufer (1991:91) Laufer, Asher (1991), "Phonetic Representation: Glottal Fricatives", Journal of the International Phonetic Association, 21 (2): 91–93, doi:10.1017/S0025100300004448, S2CID 145231104
Gussenhoven (1992:45) Gussenhoven, Carlos (1992), "Dutch", Journal of the International Phonetic Association, 22 (2): 45–47, doi:10.1017/S002510030000459X, S2CID 243772965
Gussenhoven & Aarts (1999:155) Gussenhoven, Carlos; Aarts, Flor (1999), "The dialect of Maastricht" (PDF), Journal of the International Phonetic Association, 29 (2), University of Nijmegen, Centre for Language Studies: 155–166, doi:10.1017/S0025100300006526, S2CID 145782045, archived from the original (PDF) on 2017-10-11, retrieved 2015-10-25

ufc.br (Global: low place; English: low place)

profala.ufc.br

"A neutralização dos Fonemas / v – z - Z / No Falar de Fortalexa" (PDF). profala.ufc.br. Archived from the original (PDF) on 3 March 2016. Retrieved 23 April 2012.

ufpa.br (Global: low place; English: low place)

The pronunciation of /s/ and its variations across Bragança municipality's Portuguese (in Portuguese), Pará Federal University, archived from the original on 2013-07-07

ufrj.br (Global: 6,631^st place; English: low place)

letras.ufrj.br

The variation of post-vocallic /S/ in the speech of Petrópolis, Itaperuna and Paraty (PDF) (in Portuguese), Rio de Janeiro Federal University, archived from the original (PDF) on 2017-12-15

web.archive.org (Global: 1^st place; English: 1^st place)

Gussenhoven & Aarts (1999:155) Gussenhoven, Carlos; Aarts, Flor (1999), "The dialect of Maastricht" (PDF), Journal of the International Phonetic Association, 29 (2), University of Nijmegen, Centre for Language Studies: 155–166, doi:10.1017/S0025100300006526, S2CID 145782045, archived from the original (PDF) on 2017-10-11, retrieved 2015-10-25
The pronunciation of /s/ and its variations across Bragança municipality's Portuguese (in Portuguese), Pará Federal University, archived from the original on 2013-07-07
The variation of post-vocallic /S/ in the speech of Petrópolis, Itaperuna and Paraty (PDF) (in Portuguese), Rio de Janeiro Federal University, archived from the original (PDF) on 2017-12-15
"A neutralização dos Fonemas / v – z - Z / No Falar de Fortalexa" (PDF). profala.ufc.br. Archived from the original (PDF) on 3 March 2016. Retrieved 23 April 2012.

worldcat.org (Global: 5^th place; English: 5^th place)

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Ladefoged, Peter; Keith, Johnson (2011). A course in phonetics (Sixth ed.). Boston, MA: Wadsworth Publishing. p. 149. ISBN 9781428231269. OCLC 613523782.
Coretta, Stefano; Riverin-Coutlée, Josiane; Kapia, Enkeleida; Nichols, Stephen (n.d.). "Northern Tosk Albanian". Journal of the International Phonetic Association. 53 (3): 1122–1144. doi:10.1017/S0025100322000044. hdl:20.500.11820/ebce2ea3-f955-4fa5-9178-e1626fbae15f. ISSN 0025-1003.

Voiced glottal fricative (English Wikipedia)

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