- Publication venue
- eCommons
- Publication date
- 01/01/1951
- Field of study
- Publication venue
- eCommons
- Publication date
- 14/02/1977
- Field of study
- Publication venue
- eCommons
- Publication date
- 01/02/1955
- Field of study
- Publication venue
- eCommons
- Publication date
- 04/02/1972
- Field of study
- Publication venue
- eCommons
- Publication date
- 01/01/1980
- Field of study
- Publication venue
- eCommons
- Publication date
- 01/01/1978
- Field of study
- Publication venue
- eCommons
- Publication date
- 01/01/1950
- Field of study
- Publication venue
- eCommons
- Publication date
- 11/02/1971
- Field of study
- Publication venue
- eCommons
- Publication date
- 01/01/1979
- Field of study
- Publication venue
- eCommons
- Publication date
- 31/12/1979
- Field of study