Downes, J., Wade, W. G. (2009). <i>Propionibacterium acidifaciens</i> sp. nov., isolated from the human mouth. <i> Int J Syst Evol Microbiol </i><b> 59 </b> ( Pt 11 ): 2778-2781 .

Bruland, N., Bathe, S., Willems, A., Steinbüchel, A. (2009). <i>Pseudorhodoferax soli</i> gen. nov., sp. nov. and <i>Pseudorhodoferax caeni</i> sp. nov., two members of the class <i>Betaproteobacteria</i> belonging to the family <i>Comamonadaceae</i>. <i> Int J Syst Evol Microbiol </i><b> 59 </b> ( Pt 11 ): 2702-2707 .

Oh, Y. S., Lim, H. J., Cha, I. T., Im, W. T., Yoo, J. S., Kang, U. G., Rhee, S. K., Roh, D. H. (2009). <i>Roseovarius halotolerans</i> sp. nov., isolated from deep seawater. <i> Int J Syst Evol Microbiol </i><b> 59 </b> ( Pt 11 ): 2718-2723 .

Monciardini, P., Cavaletti, L., Ranghetti, A., Schumann, P., Rohde, M., Bamonte, R., Sosio, M., Mezzelani, A., Donadio, S. (2009). Novel members of the family <i>Micromonosporaceae</i>, <i>Rugosimonospora acidiphila</i> gen. nov., sp. nov. and <i>Rugosimonospora africana</i> sp. nov. <i> Int J Syst Evol Microbiol </i><b> 59 </b> ( Pt 11 ): 2752-2758 .

Yoon, J. H., Kang, S. J., Oh, K. H., Oh, T. K. (2009). <i>Salimicrobium flavidum</i> sp. nov., isolated from a marine solar saltern. <i> Int J Syst Evol Microbiol </i><b> 59 </b> ( Pt 11 ): 2839-2842 .

Yoon, J. H., Kang, S. J., Lee, S. Y., Oh, K. H., Oh, T. K. (2009). <i>Seohaeicola saemankumensis</i> gen. nov., sp. nov., isolated from a tidal flat. <i> Int J Syst Evol Microbiol </i><b> 59 </b> ( Pt 11 ): 2675-2679 .

Farrow, J. A. E., Collins, M. D. (1984). DNA base composition, DNA-DNA homology and long-chain fatty acid studies on <i>Streptococcus thermophilus</i> and <i>Streptococcus salivarius</i>. <i> J.Gen.Microbiol. </i><b> 130 </b>: 357-362 .
Andrewes, F. W., Horder, T. J. (1906). A study of the streptococci pathogenic for man. <i> Lancet </i><b> 2 </b>: 708-713 .
Bergey, D. H., Buchanan, R. E., Gibbons, N. E., (1974). Bergey's manual of determinative Bacteriology. 8th. EditionEdited by R. E. Buchanan, The Williams & Wilkins Co..