@article {Intra-union2009,
title = {Intra-union Flexibility of Non-ETS Emission Reduction Obligations in the European Union},
year = {2009},
notes = {http://dx.doi.org/10.1016/j.enpol.2009.01.018},
url = {https://www.esri.ie/publications/intra-union-flexibility-of-non-ets-emission-reduction-obligations-in-the-european-0},
author = {Tol, R.},
journal = {Energy Policy, Vol. 37, Issue 5, May 2009, pp. 1745-1752},
}