- Author: Barry Morrell B.Sc. Peter Whittle B.Sc. (auth.)
- Language: English
- Year: 1985
- Author: Peter Whittle
- Language: English
- Year: 1986
- Author: Peter Whittle (auth.)
- Language: English
- Year: 1992
- Author: Peter Whittle (auth.)
- Language: English
- Year: 2000
- Author: Peter Whittle
- Language: English
- Year: 2007
- Author: Peter Whittle
- Language: English
- Year: 1992
- Author: Peter Whittle
- Language: English
- Year: 1996
- Author: Peter Whittle
- Language: English
- Year: 1996
- Author: Peter Whittle
- Language: English
- Year: 2007