1. Experiment Morava on Board Salyut 6 —1. Crystallization of Lead Chloride from Eutectic Solutions in PbCl2CuCl and PbCl2AgCl Systems;Barta,1978
2. Experiment Morava on the Board of Salyut 6 — Part 2,;Barta,1979
3. Halbleitende Gläser des Systems GeSbS;Frumar;Z. Chem.,1975