Template:Maszenan et al., 2000
- Maszenan, A.M., Seviour, R.J., Patel, B.K.C., Schumann, P., Burghardt, J., Tokiwa, Y. & Stratton, H.M. 2000. Three isolates of novel polyphosphate-accumulating Gram-positive cocci, obtained from activated sludge, belong to a new genus, Tetrasphaera gen. nov., and description of two new species, Tetrasphaera japonica sp. nov. and Tetrasphaera australiensis sp. nov. International Journal of Systematic and Evolutionary Microbiology 50(2): 593–603. DOI: 10.1099/00207713-50-2-593