University of Structural Engineering and Architecture “Lyuben Karavelov”, Sofia, BULGARIA, 1-3 November 2017
https://1drv.ms/b/c/b9f980bbcaa2448f/IQC_TldTzs-QTZmKmjJEwGWfAUSQ6u1vbHLhAzp8_Ra8u-E?e=aoFzZo
University of Structural Engineering and Architecture “Lyuben Karavelov”, Sofia, BULGARIA, 1-3 November 2017
https://1drv.ms/b/c/b9f980bbcaa2448f/IQC_TldTzs-QTZmKmjJEwGWfAUSQ6u1vbHLhAzp8_Ra8u-E?e=aoFzZo