- Author: Charles Bell
- Language: English
- Year: 2018
- Author: Charles Bell
- Language: English
- Author: Charles Bell (auth.)
- Language: English
- Year: 2017
- Author: Charles Bell (auth.)
- Language: English
- Year: 2016
- Author: Charles Bell (auth.)
- Language: English
- Year: 2016
- Author: Charles Bell
- Language: English
- Year: 2013
- Author: Charles Bell
- Language: English
- Year: 2013
- Author: Charles Bell
- Language: English
- Year: 2013
- Author: Charles Bell Mats Kindahl Lars Thalmann
- Language: English
- Year: 2010
- Author: Charles Bell Mats Kindahl Lars Thalmann
- Language: English
- Year: 2014