- Publication venue
- Publication date
- 12/06/1971
- Field of study
- Publication venue
- Publication date
- 18/12/1976
- Field of study
- Publication venue
- Publication date
- 04/12/1971
- Field of study
- Publication venue
- Publication date
- 07/11/1964
- Field of study
- Publication venue
- Publication date
- 04/07/1970
- Field of study
- Publication venue
- Publication date
- 22/11/1969
- Field of study