Fast determination of lactic, succinic, malic, tartaric, shikimic and citric acids in red Vranec wines by CZE-ESI-QTOF-MS - V. Ivanova Petropulos, Z. Naceva, V. Sándor, L. Makszin, L. Nagy, B. Berkics, T. Stafilov, F. Kilar (My University, 2018)