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- Language: English
- Year: 2014

- Author: Steven G. Ellis
- Language: English
- Year: 2021

- Author: Cohen Steven, Ritz Ellis
- Language: English
- Year: 2015

- Author: Cohen Steven, Ritz Ellis
- Language: English
- Year: 2015

- Author: Steven G. Ellis
- Language: English
- Year: 2015

- Author: Steven G. Ellis Christopher Maginn
- Language: English
- Year: 2007