Yu، Peter Y.؛ Cardona، Manuel (2010). "Fig. 3.2: Phonon dispersion curves in GaAs along high-symmetry axes". Fundamentals of Semiconductors. Physics and Materials Properties (ط. 4th). Springer. ص. 111. ISBN:3-642-00709-0. مؤرشف من الأصل في 2017-09-10.
Yu، Peter Y.؛ Cardona، Manuel (2010). "Fig. 3.2: Phonon dispersion curves in GaAs along high-symmetry axes". Fundamentals of Semiconductors. Physics and Materials Properties (ط. 4th). Springer. ص. 111. ISBN:3-642-00709-0. مؤرشف من الأصل في 2017-09-10.