- Publication venue
- 'JSTOR'
- Publication date
- 01/01/1962
- Field of study
- Publication venue
- 'JSTOR'
- Publication date
- 01/01/1969
- Field of study
- Publication venue
- 'JSTOR'
- Publication date
- 01/01/1967
- Field of study
- Publication venue
- 'JSTOR'
- Publication date
- 01/01/1971
- Field of study