- Author: Walter Borchardt-Ott Heidrun Sowa
- Language: German
- Year: 2018
- Author: Jacob (Theo) Kloprogge
- Language: English
- Year: 2019
- Author: Marco G. Malusà Paul G. Fitzgerald
- Language: English
- Year: 2019
- Author: Bert Sels Leonid Kustov
- Language: English
- Year: 2016
- Author: Peter A. Cundall (auth.) Florian K. Lehner Janos L. Urai (eds.)
- Language: English
- Year: 2000
- Author: Dr. Ganpat Singh Roonwal (auth.)
- Language: English
- Year: 1986