TY - CPAPER AU - S. Gospodinov AU - P. Gancheva TI - INVESTIGATION OF CRUSTAL DEFORMATIONS BY THE MEANS OF DIRECTLY DEFINED SPATIAL CHORDS – POSSIBILITY OR PREDETERMINANCY T2 - 9th International Multidisciplinary Scientific GeoConference SGEM2009 PY - 2009 SP - 773 EP - 782 PB - SGEM Scientific GeoConference ER -