Gonda, Jan. 1954. The Original Character of the Indo-European Relative Pronoun *io̯-. Lingua 4. 1–41.
@article{audersetinterrog-gondaoriginal1954,
author = {Gonda, Jan},
journal = {Lingua},
pages = {1–41},
title = {The Original Character of the Indo-European Relative Pronoun *io̯-},
volume = {4},
year = {1954}
}