- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1996
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1969
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1972
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1977
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1977
- Field of study