- Author: Norman Donald A
- Language: English
- Year: 2009
- Author: Morozov Evgeny
- Language: English
- Year: 2014
- Author: Wright David, Vildjiounaite Elena, Gutwirth Serge, Punie Yves, Friedewald Michael
- Language: English
- Year: 2010
- Author: Broad Ellen
- Language: English
- Year: 2018
- Author: Informatik, Bentley Peter J
- Language: English
- Year: 2012
- Author: Lanier Jaron, Pflüger Friedrich, Schlatterer Heike, Schmid Sigrid, Topalova Violeta
- Language: German
- Year: 2015
- Author: Israel Giorgio
- Language: French
- Year: 2000
- Author: John Parrington
- Language: English
- Year: 2016