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by Barreira, Luis; Pesin, Yakov B.; Pesin, Ya. B.
by Luis Barreira , Yakov Pesin
by Barreira, Luis
by Barreira, Luis; Valls, Claudia
by Barreira, Luis; Pesin, Yakov
by Barreira, Luis; Dragicevic, Davor; Anglés, Claudia Valls