State Office for the Environment of the Federal State of Baden-Württemberg (LUBW), Bavarian State Office for the Environment (LfU),
4. aktualisierte Auflage: 1-140
2019 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon), Vladivostok, Russia. IEEE: 1-4; ISBN 978-1-7281-0062-3
2019 8th International Conference on Renewable Energy Research and Applications (ICRERA), Brasov, Romania. IEEE, Rumänien: 377-380; ISBN 978-1-7281-3588-5