- Author: Antonio Naviglio (Editor), Maurizio Cumo (Editor)
- Year: 1989
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- Year: 2006
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- Year: 1987
- Author: G. Don Taylor (Editor)
- Year: 2008
- Author: William Barkman (Author)
- Year: 1989
- Author: Theunis Christoffel Robberts (Author)
- Year: 2013
- Author: A. C. Rosander (Author)
- Year: 1985