Update README.md

README.md

@@ -41,3 +41,9 @@ For more information on usage and examples of STMTools, please refer to the [doc
 [1] Bruna, M. F. D., van Leijen, F. J., & Hanssen, R. F. (2021). A Generic Storage Method for Coherent Scatterers and Their Contextual Attributes. In 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS: Proceedings (pp. 1970-1973). [9553453] (International Geoscience and Remote Sensing Symposium (IGARSS); Vol. 2021-July). IEEE . https://doi.org/10.1109/IGARSS47720.2021.9553453
 
 [2] van Leijen, F. J., van der Marel, H., & Hanssen, R. F. (2021). Towards the Integrated Processing of Geodetic Data. In 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS: Proceedings (pp. 3995-3998). [9554887] IEEE . https://doi.org/10.1109/IGARSS47720.2021.9554887
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+## License
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+Copyright (c) 2022 - 2025, Netherlands eScience Center & Delft University of Technology
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+Apache Software License 2.0