VERTCRS["SRB_VRS12 height",
    VDATUM["Serbian Vertical Reference System 2012"],
    CS[vertical,1],
        AXIS["gravity-related height (H)",up,
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy, engineering survey, topographic mapping."],
        AREA["Serbia including Vojvodina."],
        BBOX[42.23,18.81,46.19,23.01]],
    ID["EPSG",8691]]