Wallis, G. L., Swift, R. J., Atterbury, R. J., Trappe, S., Rinas, U., Hemming, F. W., …Peberdy, J. F. (2001). The effect of pH on glucoamylase production, glycosylation and chemostat evolution of Aspergillus niger. BBA - General Subjects, 1527(3), https://doi.org/10.1016/S0304-4165%2801%2900145-3