@inproceedings{2930584,
    title = "Impersonals in the diachrony of Greek",
    author = "Lavidas, Nikolaos and and Papangeli, Dimitra",
    year = "2007",
    publisher = "http://icgl7.icte.uowm.gr/Lavidas-et-al.pdf",
    booktitle = "In Alexandra Galani and Giorgos Tsoulas (eds.), Proceedings of the 7th International Conference on Greek Linguistics, ICGL7 (Workshop on Voice Morphology), CD-Rom edition (also available on-line), University of York"
}