Introduction: Solidarity lost? The European Union and the crisis of one of its core values

Grimmel, A., & Giang, S. M. (2017, July 29). Introduction: Solidarity lost? The European Union and the crisis of one of its core values. Solidarity in the European Union: A Fundamental Value in Crisis. Springer International Publishing. https://doi.org/10.1007/978-3-319-57036-5_1