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README.md

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 [![DOI](https://zenodo.org/badge/216531678.svg)](https://zenodo.org/badge/latestdoi/216531678)
 
 
-Calculation method for appropriable technical potential for renewable energy resources
+Calculation method for appropriable technical potential for renewable energy resources. The "article Desing, H., R. Widmer, D. Beloin-Saint-Pierre, R. Hischier and P. Wäger (2019). "Powering a Sustainable and Circular Economy—An Engineering Approach to Estimating Renewable Energy Potentials within Earth System Boundaries." Energies 12(24)." can be found here https://www.doi.org/10.3390/en12244723
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+This work is licensed under the terms CC BY-NC-SA More information on the license: https://creativecommons.org/licenses/#licenses