M. Maliński, A. Memon, and T. Ikari, “Interpretation of the piezoelectric photothermal spectra of p-type silicon samples”, Arch. Acoust., vol. 28, no. 2, Jan. 2003, Accessed: Jun. 15, 2025. [Online]. Available: https://acoustics.ippt.pan.pl/index.php/aa/article/view/452