- Author: Nigel West
- Language: English
- Year: 2005
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- Language: English
- Year: 1975
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- Language: English
- Year: 2017
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- Language: English
- Year: 1979
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- Language: English
- Year: 2007
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- Language: German
- Year: 2014
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- Language: English
- Year: 2010
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- Year: 2010
