@article{jbp:/content/journals/10.1075/lplp.7.2.15aus, author = "Austerlitz, Robert", title = "HARALD HAARMANN Quantitative Aspekte des Multilingualismus: Studien zur Gruppenmehrsprachigkeit ethnischer Minderheiten in der Sowjetunion", journal= "Language Problems and Language Planning", year = "1983", volume = "7", number = "2", pages = "205-211", doi = "https://doi.org/10.1075/lplp.7.2.15aus", url = "https://www.jbe-platform.com/content/journals/10.1075/lplp.7.2.15aus", publisher = "John Benjamins", issn = "0272-2690", type = "Journal Article", }