Ulrich Ammon, Norbert Dittmar, and Klaus J. Mattheier (Hrsg./Eds.) Sociolinguistics/Soziolinguistik Karch, Dieter,, 13, 65-69 (1989), doi = https://doi.org/10.1075/lplp.13.1.12kar, publicationName = John Benjamins, issn = 0272-2690, abstract= , language=, type=