- Author: Eric Renshaw
- Language: English
- Year: 1993
- Author: Jane Cronin
- Language: English
- Year: 1987
- Author: Jane Cronin
- Language: English
- Year: 1987
- Author: Tuckwell H.C.
- Language: English
- Year: 1988
- Author: Tuckwell H.C.
- Language: English
- Year: 1988
- Author: Hoppensteadt F.
- Language: English
- Year: 1982
- Author: Hoppensteadt F.C.
- Language: English
- Year: 1982
- Author: Stephen Childress
- Language: English
- Year: 1981
- Author: Henry C. Tuckwell
- Language: English
- Year: 1988