1. Oslo environment, http://www.helsinki.fi/envirohist/seaandcities/cities/osl/osl_envi.htm, 2013.
2. The Cleanup of the Oslo fjord: from the past to the future;Thaulow,2015
3. Occurrence of selected organic micropollutants and silver at wastewater treatment plants in Norway;Thomas;NIVA report,2011
4. Benthic macrofauna of elongated, shallow-water pockmarks in the Inner Oslofjord;Borgersen,2009
5. Organophosphate flame retardants (OPFR) in municipal wastewater treatment plants;Hilliges,2012