- Publication venue
- Publication date
- 01/01/1991
- Field of study
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- Publication venue
- Publication date
- 01/01/1990
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- Publication date
- 01/01/1999
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- Publication date
- 01/12/1990
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- Publication venue
- 'Informa UK Limited'
- Publication date
- 01/01/2001
- Field of study
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- Publication venue
- Publication date
- 01/01/1999
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- Publication date
- 01/04/2000
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- Publication venue
- Publication date
- 01/01/2001
- Field of study
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- Publication venue
- Publication date
- 01/01/1992
- Field of study
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