@inbook{Dreitzel+1987+114+119,
url = {https://doi.org/10.1515/9783110858020-024},
title = {18. Rollentheorie},
booktitle = {Volume 1},
author = {Hans Peter Dreitzel},
editor = {Ulrich Ammon and Norbert Dittmar and Klaus J. Mattheier and Peter Trudgill},
publisher = {De Gruyter Mouton},
address = {Berlin, Boston},
pages = {114--119},
doi = {doi:10.1515/9783110858020-024},
isbn = {9783110858020},
year = {1987},
lastchecked = {2026-05-03}
}