Koops, H. P., Böttcher, B., Möller, U. C., Pommerening-Röser, A., Stehr, G. (1991). Classification of eight new species of ammonia-oxidizing bacteria: <i>Nitrosomonas communis</i> sp. nov., <i>Nitrosomonas ureae</i> sp. nov., <i>Nitrosomonas aestuarii</i> sp. nov., <i>Nitrosomonas marina</i> sp. nov., <i>Nitrosomonas nitrosa</i> sp. nov., <i>Nitrosomonas eutropha</i> sp. nov., <i>Nitrosomonas oligotropha</i> sp. nov. and <i>Nitrosomonas halophila</i> sp. nov. <i> J.Gen.Microbiol. </i><b> 137 </b>: 1689-1699 .
(2001). Validation of publication of new names and new combinations previously effectively published outside the IJSEM. List No. 83. <i> Int.J.Syst.Evol.Microbiol. </i><b> 51 </b>: 1945 .

Koops, H. P., Böttcher, B., Möller, U. C., Pommerening-Röser, A., Stehr, G. (1991). Classification of eight new species of ammonia-oxidizing bacteria: <i>Nitrosomonas communis</i> sp. nov., <i>Nitrosomonas ureae</i> sp. nov., <i>Nitrosomonas aestuarii</i> sp. nov., <i>Nitrosomonas marina</i> sp. nov., <i>Nitrosomonas nitrosa</i> sp. nov., <i>Nitrosomonas eutropha</i> sp. nov., <i>Nitrosomonas oligotropha</i> sp. nov. and <i>Nitrosomonas halophila</i> sp. nov. <i> J.Gen.Microbiol. </i><b> 137 </b>: 1689-1699 .
(2001). Validation of publication of new names and new combinations previously effectively published outside the IJSEM. List No. 83. <i> Int.J.Syst.Evol.Microbiol. </i><b> 51 </b>: 1945 .

Koops, H. P., Böttcher, B., Möller, U. C., Pommerening-Röser, A., Stehr, G. (1991). Classification of eight new species of ammonia-oxidizing bacteria: <i>Nitrosomonas communis</i> sp. nov., <i>Nitrosomonas ureae</i> sp. nov., <i>Nitrosomonas aestuarii</i> sp. nov., <i>Nitrosomonas marina</i> sp. nov., <i>Nitrosomonas nitrosa</i> sp. nov., <i>Nitrosomonas eutropha</i> sp. nov., <i>Nitrosomonas oligotropha</i> sp. nov. and <i>Nitrosomonas halophila</i> sp. nov. <i> J.Gen.Microbiol. </i><b> 137 </b>: 1689-1699 .
(2001). Validation of publication of new names and new combinations previously effectively published outside the IJSEM. List No. 83. <i> Int.J.Syst.Evol.Microbiol. </i><b> 51 </b>: 1945 .