- Author: N. Hitchin
- Language: English
- Year: 1987
- Author: Hitchin N. Segal G. Ward R.
- Language: English
- Year: 1999
- Author: N. J. Hitchin G. B. Segal R. S. Ward
- Language: English
- Year: 1999
- Author: Hitchin N.
- Language: English
- Year: 2003
- Author: Hitchin N.
- Language: English
- Year: 2004
- Author: Hitchin N.
- Language: English
- Year: 2003
- Author: N. Hitchin
- Language: English
- Year: 1987