Update README.md

README.md

@@ -70,13 +70,11 @@ http://localhost:8888/lab?token=73e08328facee92d67a8dd2b587b6fa7cb8a3e3323d653f8
 3. Read the instructions and run
 
 ## License
-**Py4HIP** is licensed under the [EUROPEAN UNION PUBLIC LICENCE (EUPL) v. 1.2](https://joinup.ec.europa.eu/collection/eupl/introduction-eupl-licence).
-
-See [LICENSE.md](./LICENSE.md) for details.
+**Py4HIP** is [licensed](./LICENSE) under the [EUROPEAN UNION PUBLIC LICENCE (EUPL) v. 1.2](https://joinup.ec.europa.eu/collection/eupl/introduction-eupl-licence).
 
 ## Citation
 Please cite **Py4HIP** as follows:\
-*Bott, J., Benoit, L., Koltzer, N., Anikiev, D. (2022): Py4HIP: Python tool for Heat-In-Place calculations. ... [doi]())*
+*Bott, J., Benoit, L., Koltzer, N., Anikiev, D. (2022): Py4HIP: Python tool for Heat-In-Place calculations. GFZ Data Services, https://doi.org/10.5880/GFZ.4.5.2022.001*
 
 ## Authors and contributions
 See also the list of [authors](../AUTHORS.md) who participated in this project.