@article{Paper_000202, title = {Measuring The Co2�Shadow Price For Wastewater Treatment: A Directional Distance Function Approach}, author = {Molinos-Senante M., Hanley N. and Sala-Garrido R.}, journal = {Applied Energy}, volume = {144}, number = {}, doi = {10.1016/j.apenergy.2015.02.034}, year = {2015}}