@book { EinheitundVielfaltinderRechtsgeschichteimOstseeraumUnityandPluralityintheLegalHistoryoftheBalticSeaArea, title = "Einheit und Vielfalt in der Rechtsgeschichte im Ostseeraum- Unity and Plurality in the Legal History of the Baltic Sea Area", author = "Marju {Luts-Sootak} and Sanita {Osipova} and Frank L. {Schäfer}", year = "2021", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1107823" }