Photoacoustic and photothermal radiometry spectra of implanted Si wafersD. M. Todorović, M. Pawlak, I. Delgadillo-Holtfort and J. PelzlEur. Phys. J. Special Topics, 153 (2008) 259-262DOI: https://doi.org/10.1140/epjst/e2008-00440-6