- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1995
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1986
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1971
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1985
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/2000
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1958
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/2013
- 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
- 01/01/1988
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/01/1978
- Field of study