X. Zhang, D. Wu, T. Yang, M. Xu, and Z. Rao, “Over-expression of Mycobacterium neoaurum 3-ketosteroid-Δ1-dehydrogenase in Corynebacterium crenatum for efficient bioconversion of 4-androstene-3,17-dione to androst-1,4-diene-3,17-dione”, Electron. J. Biotechnol., vol. 24, Nov. 2016.