Searched for *.
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16. Jahresbericht 1959 (Publications)
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15. Jahresbericht 1958 (Publications)
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14. Jahresbericht 1957 (Publications)
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13. Jahresbericht 1956 (Publications)
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11. Jahresbericht 1954 (Publications)
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12. Jahresbericht 1955 (Publications)
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Biennial report 1999-2000 (Publications)
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43. Jahresbericht: 1986 (Publications)
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Biennial report 1997-1998 (Publications)
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Research report 1994-1996 (Publications)