● Feng GD,Yang SZ,Xiong X,Li HP,Zhu HH (2017). Sphingomonas spermidinifaciens sp. nov., a novel bacterium containing spermidine as the major polyamine, isolated from an abandoned lead-zinc mine and emended descriptions of the genus Sphingomonas and the species Sphingomonas yantingensis and Sphingomonas japonica. Int. J. Syst. Evol. Microbiol..
