Paçarizi 2008, pp. 101–102: "Second difference is the existence of nasal vocals in Gheg which is not a characteristic of Tosk even sometimes the nasality is not really stressed. This nasal-oral feature, according to Desnickaja, forms one of the elements which differentiate the Albanian dialects whereas Gjinari cites Dilo Sheper who said that there are also some nasal vocals in some places of Eastern Albania such as in Kurvelesh and Himarë but the information at that time did not confirmed that". Paçarizi, Rrahman (2008). Albanian Language(PDF). University of Pristina. Archived from the original(PDF) on 2017-07-17. Retrieved 2020-01-23.
Hamp 1963, p. 98:
The isogloss is clear in all dialects I have studied, which embrace nearly all types possible. It must be relatively old, that is, dating back into the post-Roman first millennium. As a guess, it seems possible that this isogloss reflects a spread of the speech area, after the settlement of the Albanians in roughly their present location, so that the speech area straddled the Jireček Line. Hamp, Eric P. (1963). "The Position of Albanian". University of California.
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Paçarizi 2008, pp. 101–102: "Second difference is the existence of nasal vocals in Gheg which is not a characteristic of Tosk even sometimes the nasality is not really stressed. This nasal-oral feature, according to Desnickaja, forms one of the elements which differentiate the Albanian dialects whereas Gjinari cites Dilo Sheper who said that there are also some nasal vocals in some places of Eastern Albania such as in Kurvelesh and Himarë but the information at that time did not confirmed that". Paçarizi, Rrahman (2008). Albanian Language(PDF). University of Pristina. Archived from the original(PDF) on 2017-07-17. Retrieved 2020-01-23.
