● Islam MS,Kawasaki H,Nakagawa Y,Hattori T,Seki T (2007). Labrys okinawensis sp. nov. and Labrys miyagiensis sp. nov., budding bacteria isolated from rhizosphere habitats in Japan, and emended descriptions of the genus Labrys and Labrys monachus. Int. J. Syst. Evol. Microbiol.57, 552-7.