@conference{grpoly2016,
author = "Basilis Gatos and Nikos Stamatopoulos and Giorgos Sfikas and George Rekatsinas and Papavassiliou, Vassilis and Simistira, Fotini and Katsouros, Vassilis",
keywords = "polytonic, database",
organization = "ICDAR",
pages = "646-650",
title = "{G}RPOLY-DB: {A}n old {G}reek polytonic document image database. ",
year = "2015",
}