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- Language: German
- Year: 2017
- Author: Michael Kasper, Martin Korenjak, Robert Rollinger, Andreas Rudigier
- Language: German
- Year: 2015
- Author: Martin Horak, Robert Young
- Language: English
- Year: 2012
- Author: Martin Luther, Robert C. Schultz (ed.)
- Language: English
- Year: 1967
- Author: Achim Aurnhammer (editor), Dieter Martin (editor), Robert Seidel (editor)
- Language: German
- Year: 2004
- Author: Martin Caidin, Robert S. Johnson, George Churchill Kenney
- Language: English
- Year: 2018
- Author: Martin Kemp Robert B. Simon Margaret Dalivalle
- Language: English
- Year: 2020
- Author: Martin Edwards, Robert Sellers
- Language: English
- Year: 2017
- Author: John Martin Fischer Robert Kane Derk Pereboom Manuel Vargas
- Language: Spanish
- Year: 2013
- Author: Dusty Phillips Fabrizio Romano Phuong Vo.T.H Martin Czygan Robert Layton Sebastian Raschka
- Language: English
- Year: 2016