@inbook{85e03b61f096407d9637a901dba96e0e,
title = "Invocations by Knights for Supernatural Aid in the Sources of the Baltic Crusades, Medieval Poland and the Chansons of the Crusades",
author = "Sini Kangas",
year = "2023",
doi = "10.1163/9789004686366_007",
language = "English",
isbn = "978-90-04-68340-2",
series = "Explorations in Medieval Culture",
publisher = "Brill",
number = "1",
pages = "189 -- 230",
editor = "Rados{\l}aw Kotecki and Maciejewski, { Jacek} and Leighton, { Gregory}",
booktitle = "Religious Rites of War beyond the Medieval West",
address = "Netherlands",
}