TY - JOUR A1 - Hamann, Wolf-Rainer A1 - Gräfener, Götz A1 - Koesterke, Lars T1 - WR Central Stars N2 - Wolf-Rayet type central stars have been analyzed with adequate model atmospheres. The obtained stellar parameters and chemical abundances allow for a discussion of their evolutionary origin. Y1 - 2003 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/16458 SN - 1-583-81148-6 ER -