Jetten MS, Wagner M, Fuerst J, van Loosdrecht M, Kuenen G, Strous M. (2001). "Microbiology and application of the anaerobic ammonium oxidation ('anammox') process". Curr Opin Biotechnol. 12 (3): 283–288. doi:10.1016/S0958-1669(00)00211-1. hdl:2066/187318. PMID11404106.
Jetten MS, Wagner M, Fuerst J, van Loosdrecht M, Kuenen G, Strous M. (2001). "Microbiology and application of the anaerobic ammonium oxidation ('anammox') process". Curr Opin Biotechnol. 12 (3): 283–288. doi:10.1016/S0958-1669(00)00211-1. hdl:2066/187318. PMID11404106.
Jetten MS, Wagner M, Fuerst J, van Loosdrecht M, Kuenen G, Strous M. (2001). "Microbiology and application of the anaerobic ammonium oxidation ('anammox') process". Curr Opin Biotechnol. 12 (3): 283–288. doi:10.1016/S0958-1669(00)00211-1. hdl:2066/187318. PMID11404106.