TY - CPAPER AU - Jiri FRIES TI - OPERABILITY DETERMINATION OF MAIN BEAM OF PIPE SADDLE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s03.v1039 PB - Stef92 Technology ER -