@article{jacob_keudell_schwarz-selinger_2001,  title={Infrared analysis of thin films: amorphous, hydrogenated carbon on silicon},  volume={31},  ISSN={0103-9733},  url={https://doi.org/10.1590/S0103-97332001000100019},  DOI={10.1590/S0103-97332001000100019},  number={1},  journal={Brazilian Journal of Physics},  publisher={Sociedade Brasileira de Física},  author={Jacob, Wolfgang and Keudell, Achim vom and Schwarz-Selinger, Thomas},  year={2001},  month={Mar},  pages={109–109} }