@article{ponzoni_zullo junior_lamparelli_2008,  title={In-flight absolute calibration of the CBERS-2 CCD sensor data},  volume={80},  ISSN={0001-3765},  url={https://doi.org/10.1590/S0001-37652008000200015},  DOI={10.1590/S0001-37652008000200015},  number={2},  journal={Anais da Academia Brasileira de Ciências},  publisher={Academia Brasileira de Ciências},  author={Ponzoni, Flávio J. and Zullo Junior, Jurandir and Lamparelli, Rubens A.C.},  year={2008},  month={Jun},  pages={373–380} }