TY - JOUR TI - INVESTIGATION OF THE EFFECTS OF SOME POLYOLS ON YIELD DURING CITRIC ACID FERMENTATION BY ASPERGILLUS NIGER AU - PEKSEL, A. AU - TOKATMAN, A.K. AU - ARISAN ATAÇ, Ä. JO - Sigma Journal of Engineering and Natural Sciences PY - 2003 VL - 21 SP - EP - DO - ER -