1. Institute of Physics, University of Silesia, ul. Uniwersytecka 4,
40-007 Katowice, Poland
2. Preformulation Department R&D, Pharmaceutical Works Polpharma SA, Pelplinska 19, 83-200 Starogard Gdanski, Poland
3. Institute of Non Ferrous Metals, ul. Sowinskiego
5, 44-100 Gliwice, Poland
4. Department of Pharmaceutical Technology, Medical University of Gdansk,
Hallera 107, 80-416, Gdansk, Poland