![Wide band fiber systems and long transmission applications based on optimum optical fiber amplifiers lengths Wide band fiber systems and long transmission applications based on optimum optical fiber amplifiers lengths](https://www.degruyter.com/document/doi/10.1515/joc-2021-0020/asset/graphic/j_joc-2021-0020_fig_002.jpg)
Wide band fiber systems and long transmission applications based on optimum optical fiber amplifiers lengths
![Sustainability | Free Full-Text | Does Car-Sharing Reduce Car Ownership? Empirical Evidence from Germany Sustainability | Free Full-Text | Does Car-Sharing Reduce Car Ownership? Empirical Evidence from Germany](https://pub.mdpi-res.com/sustainability/sustainability-13-07384/article_deploy/html/images/sustainability-13-07384-g002.png?1625141454)
Sustainability | Free Full-Text | Does Car-Sharing Reduce Car Ownership? Empirical Evidence from Germany
![Consistent signals of a warming climate in occupancy changes of three insect taxa over 40 years in central Europe - Engelhardt - 2022 - Global Change Biology - Wiley Online Library Consistent signals of a warming climate in occupancy changes of three insect taxa over 40 years in central Europe - Engelhardt - 2022 - Global Change Biology - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/a3d1cdee-8bb0-472c-b148-d51383ca06bf/gcb16200-fig-0004-m.jpg)
Consistent signals of a warming climate in occupancy changes of three insect taxa over 40 years in central Europe - Engelhardt - 2022 - Global Change Biology - Wiley Online Library
![Refugees welcome? A dataset on anti-refugee violence in Germany - David Benček, Julia Strasheim, 2016 Refugees welcome? A dataset on anti-refugee violence in Germany - David Benček, Julia Strasheim, 2016](https://journals.sagepub.com/cms/10.1177/2053168016679590/asset/images/large/10.1177_2053168016679590-fig1.jpeg)