TY - CPAPER AU - TZ. Tzenkov AU - S. Gospodinov AU - G. Stoev TI - GEODETIC MEASUREMENTS AND LANDSLIDE INVESTIGATIONS OF THE BALCHIC TOWN FOR PERIOD 1966-2004 T2 - 5th International Scientific Conference - SGEM2005 PY - 2005 SP - 501 EP - 510 PB - SGEM Scientific GeoConference ER -