TSAKALIDOU, E MANOLOPOULOU, E KABARAKI, E ZOIDOU, E POT, B KERSTERS, K KALANTZOPOULOS, G, THE COMBINED USE OF WHOLE-CELL PROTEIN EXTRACTS FOR THE IDENTIFICATION (SDS-PAGE) AND ENZYME-ACTIVITY SCREENING OF LACTIC-ACID BACTERIA ISOLATED FROM TRADITIONAL GREEK DAIRY-PRODUCTS, Systematic and Applied Microbiology, (17), 444-458, 1994, GUSTAV FISCHER VERLAG, 0723-2020, 1618-0984