ARTS AND MUSIC IN CULTURAL DISCOURSE
VI International Scientific and Practical Conference. November 10 - November 11, 2017, Rezekne Academy of Technologies, Rezekne, Latvia
Tongov, Manahil, Department of Material Sscience and Technology, Technical University of Sofia <br />Center of welding (IMSETCHA) “Acad. A. Balevski” Bulgarian Academy of Sciences<br /><em> <br /> </em>, Bulgaria