- Author: Bert Bielefeld, Sebastian El Khouli
- Language: English
- Year: 2017
- Author: Bert Bielefeld
- Language: German
- Year: 2018
- Author: Diana Helmerking (editor), Bert Bielefeld (editor)
- Language: German
- Year: 2020
- Author: Pecco Becker (editor), Bert Bielefeld (editor)
- Language: German
- Year: 2019
Basics Stahlbau
pdf
- Author: Katrin Hanses (editor), Bert Bielefeld (editor)
- Language: German
- Year: 2015
- Author: Bert Bielefeld, Roland Schneider
- Language: German
- Year: 2014
- Author: Bert Bielefeld (editor)
- Language: English
- Year: 2018
- Author: Bert Bielefeld
- Language: German
- Year: 2017
- Author: Bert Bielefeld (editor), Sebastian El khouli (editor), Bert Bielefeld (editor)
- Language: English
- Year: 2019
- Author: Bert Bielefeld
- Language: English
- Year: 2018