TY - CPAPER AU - P. Cirbes AU - A. Lavrin AU - P. Horovcak AU - I. Lesso TI - UBL CUSTOMIZATION AND PERSPECTIVES AS SLOVAK STANDARD FOR E-PROCUREMENT T2 - 9th International Multidisciplinary Scientific GeoConference SGEM2009 PY - 2009 SP - 101 EP - 106 PB - SGEM Scientific GeoConference ER -