Implementing risk-based approaches to improve drinking water quality in small water supplies in the Nordic region – barriers and solutions oleh Maria J. Gunnarsdottir, Sigurdur M. Gardarsson, Magnus Eriksson, Hans-Jörgen Albrechtsen, Kim Steve Gerlach Bergkvist, Pekka M. Rossi, Riikka Matilainen, Lisbeth Truelstrup Hansen, Pernille Erland Jensen, Judith Y. A. Maréchal, Mette Myrmel, Frida Celius Kalheim, Kenneth M. Persson, August Bjerkén, Jamie Bartram