- Publication venue
- Publication date
- 01/01/1975
- Field of study
- Publication venue
- 'Portland Press Ltd.'
- Publication date
- Field of study
- Publication venue
- 'Portland Press Ltd.'
- Publication date
- Field of study
- Publication venue
- Publication date
- 01/01/1994
- Field of study
- Publication venue
- Publication date
- 01/12/1977
- Field of study
- Publication venue
- Publication date
- 01/12/1980
- Field of study
- Publication venue
- Publication date
- 01/01/1996
- Field of study
- Publication venue
- Publication date
- 01/01/1996
- Field of study