@article{Waltner2018,
author = {Waltner, Eva-Maria and Rieß, Werner and Brock, Antje},
year = {2018},
language = {eng},
copyright = {https://creativecommons.org/licenses/by/4.0/},
title = {Development of an ESD Indicator for Teacher Training and the National Monitoring for ESD Implementation in Germany},
volume = {10},
issn = {2071-1050},
url = "http://dx.doi.org/10.17169/refubium-354",
}