found: Work cat.: 2002406111: Mattietti, G. Geometrie di musica : il periodo diatonico di Aldo Clementi, 2001.
found: New Grove, 2nd ed. WWW site, Aug. 9, 2002:under chromatic (diatonicism; contrasted with chromaticism)
found: Music index WWW site, Aug. 9, 2002(diatonicism)
found: Baker's dict. mus.:under chromaticism (diatonicism)
found: Web. 3(diatonicism: the quality or state of being diatonic; the use of diatonic harmony; contrasted with chromaticism)
found: Amer. heritage dict., 3rd ed.(diatonicism)
notfound: New Harvard dict. mus.