Blust, Robert. 1980. More on the origins of glottalic consonants. Lingua 52:1–2. 125-156.
@article{jacquesestimative-blust80glottalic,
author = {Blust, Robert},
journal = {Lingua},
pages = {125-156},
title = {More on the origins of glottalic consonants},
volume = {52:1–2},
year = {1980}
}