EXAMINATION OF THE USE OF UF LACTIC ACID WHEY RETENTATE IN SOUR CREAM MAKING.Published in:Acta Technica Corviniensis - Bulletin of Engineering, 2016, v. 9, n. 3, p. 37By:CSANÁDI, József;SZÁSZ, Gabriella;BARA-HERCZEGH, OttiliaPublication type:Article