tokens: We acknowledge support from the Research Council of Lithuania under the grant No. MIP-85/2012. The European Union FP7-PEOPLE-2010-IRSES program is acknowledged for funding exchange visits in the framework of the project POSTAGBinGALAXIES (grant agreement No. 269193). L. Z. thanks Drs. T. Kipper, M. R. Schmidt, U. G. Jørgensen, and A. Barzdis for assistance during the first iterations of abundance analysis and valuable discussions. This research has made use of the Simbad database operated at CDS (Strasbourg, France) and the VALD database operated at Uppsala University, the Institute of Astronomy RAS in Moscow, and the University of Vienna. The publication charge was paid by the Research Council of Lithuania.
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