- Author: John Flowerdew Matthew Peacock
- Language: English
- Year: 2001
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- Language: English
- Year: 1986
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- Language: English
- Year: 2016
- Author: Jaime Usma
- Language: English
- Year: 2015
- Author: Sue Garton Kathleen Graves (eds.)
- Language: English
- Year: 2014
- Author: Ailsa Cox (eds.)
- Language: English
- Year: 2011