@inproceedings{1040854,
    title = "The letter network of Ioannes and Theodosios Zygomalas",
    author = "Rhoby, Andreas",
    year = "2009",
    pages = "125-152",
    publisher = "Δαίδαλος",
    booktitle = "Ιωάννης και Θεοδόσιος Ζυγομαλάς: Πατριαρχείο-Θεσμοί-Χειρόγραφα"
}