● Abraham WR,Macedo AJ,Lünsdorf H,Fischer R,Pawelczyk S,Smit J,Vancanneyt M (2008). Phylogeny by a polyphasic approach of the order Caulobacterales, proposal of Caulobacter mirabilis sp. nov., Phenylobacterium haematophilum sp. nov. and Phenylobacterium conjunctum sp. nov., and emendation of the genus Phenylobacterium. Int. J. Syst. Evol. Microbiol.58, 1939-49.