Operations Management Association Annual International Conference 1989 : Operations management in advanced manufacture and services common issues : common approaches : proceedings of the Operations Management Association Annual International Conference ... / edited by D.K. Macbeth and G. Southern.
Opernhaus Zurich Zusatzchor : Pelléas et Mélisande [videorecording] / music by Claude Debussy ; libretto abridged from the play by Maurice Maeterlinck.
2006
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Operti Piero : Dizionario storico della letteratura italiana.