TY - CPAPER AU - Terezie Vondrackova AU - Vera Vostova TI - COMPARE PRICE DEMANDS OF EXCAVATION AND TRENCHLESS TECHNOLOGIES IN THE CZECH REPUBLIC T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference PY - 2017 SP - 109 EP - 116 DO - 10.5593/sgem2017/53/s21.014 PB - STEF92 Technology ER -