TY - CPAPER AU - Marianna Sinicakova TI - ENVIRONMENTAL PROTECTION EXPENDITURES IN THE EUROPEAN UNION: THE CASE OF THE VISEGRAD COUNTRIES T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference PY - 2012 DO - 10.5593/sgem2012/s22.v4017 PB - Stef92 Technology ER -