Report, 24.03.1985-31.03.1985
Extract, 10.04.1985
Short Report, 13.04.1985on the trip to West Berlin
Report and its drafts, 19.04.1985on the results of the visit
Confirmation Certificate, 13.01.1986on the effectiveness of the scientific trip to West Berlin
Information, 10.04.1986about scientific collaboration
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