Zair, Nicholas. 2012. The Reflexes of the Proto-Indo-European Laryngeals in Celtic. Leiden: Brill.
@book{jacquesestimative-zair12celtic,
author = {Zair, Nicholas},
publisher = {Leiden: Brill},
title = {The Reflexes of the Proto-Indo-European Laryngeals in Celtic},
year = {2012}
}