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- Language: English
- Year: 2008

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- Language: English
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- Language: English
- Year: 2005

- Author: Gerhard Beutler Leos Mervart Andreas Verdun
- Language: English
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- Author: Brian Punsly
- Language: English
- Year: 2001

- Author: James Lequeux E. Falgarone C. Ryter
- Language: English
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- Author: Martin Harwit
- Language: English
- Year: 2000

- Author: Peter Hoyng
- Language: English
- Year: 2006

- Author: Pierre Bely
- Language: English
- Year: 2003