- Publication venue
- [sn]
- Publication date
- 01/01/1969
- Field of study
- Publication venue
- Publication date
- 01/01/1974
- Field of study
- Publication venue
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- Publication date
- 01/01/1974
- Field of study
- Publication venue
- Publication date
- 01/01/1978
- Field of study
- Publication venue
- Publication date
- 01/01/1978
- Field of study
- Publication venue
- Publication date
- 01/01/1974
- Field of study
- Publication venue
- Publication date
- 01/01/1974
- Field of study