Previous Article Next Article Table of Contents Applied Biochemistry and Biotechnology, Vol.61, No.3, 393-397, 1996 DOI10.1007/BF02787810 Export Citation Effect of the Copper Concentration on Citric-Acid Productivity by an Aspergillus-Niger Strain Benuzzi DA, Segovia RF Please enable JavaScript to view the comments powered by Disqus.