Sonoki, T., Obi, T., Kubota, S., Higashi, M., Masai, E., & Katayama, Y. (2000). Coexistence of Two Different O Demethylation Systems in Lignin Metabolism by Sphingomonas paucimobilis SYK-6: Cloning and Sequencing of the Lignin Biphenyl-Specific O-Demethylase (LigX) Gene. Appl Environ Microbiol.

Sonoki, Tomonori, Takahiro Obi, Sachiko Kubota, Motoo Higashi, Eiji Masai, و Yoshihiro Katayama. "Coexistence of Two Different O Demethylation Systems in Lignin Metabolism By Sphingomonas Paucimobilis SYK-6: Cloning and Sequencing of the Lignin Biphenyl-Specific O-Demethylase (LigX) Gene." Appl Environ Microbiol 2000.

Sonoki, Tomonori, et al. "Coexistence of Two Different O Demethylation Systems in Lignin Metabolism By Sphingomonas Paucimobilis SYK-6: Cloning and Sequencing of the Lignin Biphenyl-Specific O-Demethylase (LigX) Gene." Appl Environ Microbiol 2000.