Izvornik: Sevcik, Otakar. School of Intonation on an Harmonic Basis for Violin. Part VII. Chromatic Shifting. Op.11. Sevcik, Otakar.
Prijevod: Ševčík, Otakar. Part III. Chromatic Shifting and Chromatic Tone-succession. Part XII. Introduction to Shifting. Violin solo.
