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Detlev Blanke的作品

Cover for Detlev Blanke · International Planned Languages. Essays on Interlinguistics and Esperantology (Paperback Book) (2018)

International Planned Languages.... (2018)

Cover for Detlev Blanke · Esperanto kaj Socialismo? Pri la movado sur la 'alia flanko' (Paperback Book) (2017)

Esperanto kaj Socialismo? Pri la... (2017)

Cover for Detlev Blanke · Internationale Plansprachen (Hardcover Book) (1986)

Internationale Plansprachen (1986)