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- Language: English
- Year: 2008

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- Language: English
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- Language: English
- Year: 2014

- Author: Gellman Irwin F., Nixon Richard M.
- Language: English
- Year: 2017

- Author: Flemming Gregory N
- Language: English
- Year: 2015

- Author: Stephen Adebanji Akintoye
- Language: English
- Year: 2010

- Author: Massimo Livi Bacci
- Language: English
- Year: 2017

- Author: Eckart Frahm
- Language: English
- Year: 2017