Erişim adresleri aşağıda yer almaktadır.
Energy Online
https://www.degruyter.com/view/db/energyo
https://db.degruyter.com/db/energyo
Spark
https://www.degruyter.com/view/db/spark
https://db.degruyter.com/db/spark
Nano Online
https://www.degruyter.com/view/db/nano
https://db.degruyter.com/db/nano