1. Air quality in Europe, vol. 1;European Environment Agency,2019
2. Communication from the Commission to the European Parliament, the Council, the European Economic and Social Committee and the Committee of the Regions: on the 2017 list of Critical Raw Materials for the EU;Council of the European Union;Off. J. Eur. Union,2017
3. S. Larssen, L.O. Hagen, Review on requirements for models and model application, Most (November) (1996).