- Publication venue
- UND Scholarly Commons
- Publication date
- 01/06/1977
- Field of study
- Publication venue
- UND Scholarly Commons
- Publication date
- 01/06/1977
- Field of study
- Publication venue
- UND Scholarly Commons
- Publication date
- 01/06/1975
- Field of study
- Publication venue
- UND Scholarly Commons
- Publication date
- 01/06/1975
- Field of study