Pfaff Carol W.; Yilmaz Seda; Dollnick Meral; Akinci Mehmet-Ali: Development of lexical richness in Turkish written texts of bilingual adolescents in Germany. In: The Szeged Conference : proceedings of the 15th International Conference on Turkish Linguistics held on August 20-22, 2010 in Szeged, (49). pp. 413-422. (2012)