TY - CPAPER AU - Djuro Barkovic TI - DETERMINATION OF TEMPERATURE EXTENSION COEFFICIENT OF INVAR LEVELLING STAVES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s07.107 PB - Stef92 Technology ER -