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1998 Annual Scientific Report
1997 Annual Scientific Report
1996 Annual Scientific Report
1995 Annual Scientific Report
1993 Annual Scientific Report
1994 Annual Scientific Report
1992 Annual Scientific Report
1991 Annual Scientific Report
1990 Annual Scientific Report
1989 Annual Scientific Report
1988 Annual Scientific Report
1987 Annual Scientific Report
1986 Annual Scientific Report
1985 Annual Scientific Report
1984 Annual Scientific Report
1983 Annual Scientific Report
1982 Annual Scientific Report (January - September)
1981 Annual Scientific Report (January - December)
1980 Annual Scientific Report (January - December)
1979 Annual Scientific Report (January - December)

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