- Publication venue
- Publication date
- 01/01/1980
- Field of study
- Publication venue
- Publication date
- 01/01/1980
- Field of study
- Publication venue
- Publication date
- 01/01/1987
- Field of study
- Publication venue
- Publication date
- 01/01/1987
- Field of study
- Publication venue
- Publication date
- 01/01/1980
- Field of study
- Publication venue
- Publication date
- 01/01/1991
- Field of study
- Publication venue
- Publication date
- 01/01/1972
- Field of study
- Publication venue
- Publication date
- 01/01/1980
- Field of study
- Publication venue
- Publication date
- 01/01/1980
- Field of study