Standardsprache und Dialekte in Mehrsprachigen Gebieten EuropasPer Sture Ureland, Symposion über Sprachkontakt in Europa <2, 1978, Mannheim> · First published 2017Open the Tome
Language Contact in EuropePeter Hans Nelde, Per Sture Ureland, International Congress of Linguists <13, 1982, Tokyo> / Working Group <12> · First published 2015Open the Tome
Language Contact in the British IslesPer Sture Ureland, George Broderick · First published 1991Open the Tome
Entstehung Von Sprachen und VölkernPer Sture Ureland, Symposion über Sprachkontakt in Europa <6, 1984, Mannheim> · First published 1985Open the Tome
