Czymara & Schmidt-Catran (2017): *Refugees Unwelcome? Changes in the Public Acceptance of Immigrants and Refugees in Germany in the Course of Europe's "Immigration Crisis"* published in the European Sociological Review 33 (6), available at: https://doi.org/10.1093/esr/jcx071
The paper is openly accessible here: https://academic.oup.com/esr/article/doi/10.1093/esr/jcx071/4557564/Refugees-Unwelcome-Changes-in-the-Public?guestAccessKey=660ecc89-ebf1-4050-acfd-650e49fb9e55