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Hannan, M.A., Sarwar, M.G., Baten, A. et al. Stepwise mutational improvement ofAspergillus niger for citric acid productivity in cane molasses. Folia Microbiol 21, 409–412 (1976). https://doi.org/10.1007/BF02876968
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DOI: https://doi.org/10.1007/BF02876968