- Publication venue
- Publication date
- 30/06/1990
- Field of study
- Publication venue
- Publication date
- 30/06/1990
- Field of study
- Publication venue
- Publication date
- 30/06/1999
- Field of study
- Publication venue
- Publication date
- 30/06/1989
- Field of study
- Publication venue
- Publication date
- 30/06/1999
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- Publication venue
- Publication date
- 30/06/1988
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- Publication venue
- Publication date
- 30/06/1986
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- Publication date
- 30/06/1993
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- Publication date
- 30/06/2001
- Field of study
- Publication venue
- Publication date
- 30/06/1988
- Field of study