@article{amato_2002, title={Light Absorption near Threshold with Phonon Participation for Impurities in Semiconductors}, volume={24}, ISSN={1806-1117}, url={https://doi.org/10.1590/S1806-11172002000400003}, DOI={10.1590/S1806-11172002000400003}, number={4}, journal={Revista Brasileira de Ensino de Física}, publisher={Sociedade Brasileira de Física - SBF}, author={Amato, M. A.}, year={2002}, pages={379–382} }