Community Analysis of Activated Sludge and Anaerobic Digesters with FISH and Amplicon SequencingSimon McIlroy, Holger Daims, Per Halkjaer Nielsen · First published 2019Open the Tome
Métodos Experimentales para el Tratamiento de Aguas ResidualesMark C. M. van Loosdrecht, Per Halkjaer Nielsen, C. M. Lopez-Vazquez · First published 2019Open the Tome
Microbial Ecology of Activated SludgeRobert Seviour, Per Halkjaer Nielsen · First published 2010Open the Tome
