This work was supported by the National Science Centre Poland (No. 2016/21/D/ST4/02178 to N. P.). N. P. gratefully acknowledges the financial support of the French Government and the French Embassy in Poland. These researches were also supported by the Paris Ile-de-France Region-DIM Materiaux anciens et patrimoniaux. The measurements were partly performed using the equipment purchased in the frame of the project co-funded by the MałopolskaRegional Operational Program Measure 5.1 Krakow Metropolitan Areaas an important hub of the European Research Area for 2007-2013, project no. MRPO.05.01.00-12-013/15e.
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