@article {Intra-Union2008,
title = {Intra-Union Flexibility of Non-ETS Emission Reduction Obligations in the European Union},
year = {2008},
url = {https://www.esri.ie/publications/intra-union-flexibility-of-non-ets-emission-reduction-obligations-in-the-european},
author = {Tol, R.},
journal = {ESRI Working Paper 256},
}