Yang, Y., Zhao, G., Man, T., & Winkler, M. E. (1998). Involvement of the gapA- and epd (gapB)-Encoded Dehydrogenases in Pyridoxal 5′-Phosphate Coenzyme Biosynthesis in Escherichia coli K-12. American Society for Microbiology.

Yang, Yong, Genshi Zhao, Tsz-Kwong Man, und Malcolm E. Winkler. Involvement of the GapA- and Epd (gapB)-Encoded Dehydrogenases in Pyridoxal 5′-Phosphate Coenzyme Biosynthesis in Escherichia Coli K-12. American Society for Microbiology, 1998.

Yang, Yong, Genshi Zhao, Tsz-Kwong Man, und Malcolm E. Winkler. Involvement of the GapA- and Epd (gapB)-Encoded Dehydrogenases in Pyridoxal 5′-Phosphate Coenzyme Biosynthesis in Escherichia Coli K-12. American Society for Microbiology, 1998.