TY - BOOK AU - Fiedurek,J. TI - Optimization of Pectinolytic Enzymes Biosynthesis by Immobilized Mycelium of Aspergillus niger 71 UR - https://drive.google.com/file/d/193-Cm2wmlxr1BwaiY3e3R16rzqlqWyoz/view?usp=drivesdk ER -