@inbook{f7afa55dc1604b6b94a7c52607fa8666,
title = "European Charter for Regional and Minority Languages",
author = "\{de Groot\}, G.R.",
year = "2019",
language = "English",
pages = "115--128",
editor = "T. Schoonheim and \{Van Hoorde\}, J.",
booktitle = "Language variation. A factor of increasing complexity and a challenge for language policy within Europe (Contributions to the EFNIL Conference 2018 in Amsterdam)",
publisher = "European Federation of National Institutions for Language",
address = "Hungary",
}