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@article{urn:nbn:de:hebis:34-2010082034175, author ={Mitschian, Haymo}, title ={Deutsch als internationale Sprache}, keywords ={400 and Transbaikalien and Deutsch and Sprache}, copyright ={https://rightsstatements.org/page/InC/1.0/}, language ={de}, year ={2009} }