GAAFAR, M. E. S., EL-SAYAD, E. S. A. E.-H., & MARZOUK, S. Y. (2008). Ultrasonic study of CuxAg1-xInTe2 bulk material. Archives of Acoustics, 33(3), 363–372. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/538