@periodical{UBHD-67320790, editor={Ulrich, Carolyn Farquhar [MitwirkendeR]}, title={Ulrich's periodicals directory}, subtitle={the global source for periodicals information since 1932 ; including irregular serials & annuals}, publisher={ProQuest}, address={New Providence, NJ}, year={[1932-2020]}, language={eng}, issn={0000-2100}, note={2021 fortgesetzt als Online-Ausgabe}, keywords={Zeitschrift / Bibliografie ; Jahrbuch ; Zeitschrift ; Zeitschrift}, library={WS}, }