Mauno Jalmar Castrén (1931–2021)Kuolinilmoitus. Helsingin Sanomat 15.8.2021, s. C 15 was a Finnish diplomat. He worked as a negotiating officer at the Ministry for Foreign Affairs and head of the Department of Trade Policy, Finland's Ambassador to Ankara in 1986–1991, Belgrade 1991–1992 and Sofia 1992–1994.WSOY Iso Tietosanakirja 2. osa, s. 36, WSOY 1995
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