@article{marotta_2020,  title={ADJUSTMENT OF A REGIONAL ALTIMETRIC NETWORK, IN BRAZIL, TO ESTIMATE NORMAL HEIGHTS AND GEOPOTENTIAL NUMBERS},  volume={26},  ISSN={1982-2170},  url={https://doi.org/10.1590/s1982-21702020000100002},  DOI={10.1590/s1982-21702020000100002},  number={1},  journal={Boletim de Ciências Geodésicas},  publisher={Universidade Federal do Paraná},  author={Marotta, Giuliano Sant’Anna},  year={2020},  pages={e2020002} }