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(gsc). «Maestro» Otmar Nussio (1902–1990). In Grischun enritgescha la vita musicala tessinaisa. En: La Quotidiana 1-11-2012, p. 15.
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Bosia, Olivier. Nussio, Otmar. En: Lexicon istoric retic (bio.). Versiun da stampa 2008.
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