@ARTICLE{Knüppel_Michael_Ein_vol., author={Knüppel, Michael}, journal={Folia Orientalia}, pages={369-372}, howpublished={online}, year={vol. LII}, publisher={Commission of Oriental Studies of the Polish Academy of Sciences – Kraków Branch}, title={Ein Brief H.J. Polotskys an A. v. Gabain aus dem Jahre 1935}, URL={http://ochroma.man.poznan.pl/Content/109634/PDF-MASTER/FoliaOrientalia%2052-15%2025%20Knuppel.pdf}, }