- Publication venue
- ScholarlyCommons
- Publication date
- 01/01/1986
- Field of study
- Publication venue
- eGrove
- Publication date
- 01/01/1992
- Field of study
- Publication venue
- ScholarlyCommons
- Publication date
- 01/01/1986
- Field of study
- Publication venue
- DigitalCommons@UMaine
- Publication date
- 15/01/1894
- Field of study
- Publication venue
- ScholarlyCommons
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- ScholarlyCommons
- Publication date
- 01/01/1977
- Field of study