- Publication venue
- Publication date
- 01/01/2001
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/02/2001
- Field of study
- Publication venue
- DigitalCommons@University of Nebraska - Lincoln
- Publication date
- 01/04/1998
- Field of study
- Publication venue
- Cambridge : Cambridge University Press,
- Publication date
- Field of study
Includes bibliographical references and inde