Masai, E., Momose, K., Hara, H., Nishikawa, S., Katayama, Y., & Fukuda, M. (2000). Genetic and Biochemical Characterization of 4-Carboxy-2-Hydroxymuconate-6-Semialdehyde Dehydrogenase and Its Role in the Protocatechuate 4,5-Cleavage Pathway in Sphingomonas paucimobilis SYK-6. American Society for Microbiology.

Masai, Eiji, Kiyotaka Momose, Hirofumi Hara, Seiji Nishikawa, Yoshihiro Katayama, a Masao Fukuda. Genetic and Biochemical Characterization of 4-Carboxy-2-Hydroxymuconate-6-Semialdehyde Dehydrogenase and Its Role in the Protocatechuate 4,5-Cleavage Pathway in Sphingomonas Paucimobilis SYK-6. American Society for Microbiology, 2000.

Masai, Eiji, et al. Genetic and Biochemical Characterization of 4-Carboxy-2-Hydroxymuconate-6-Semialdehyde Dehydrogenase and Its Role in the Protocatechuate 4,5-Cleavage Pathway in Sphingomonas Paucimobilis SYK-6. American Society for Microbiology, 2000.