@article{kock_colnago_2022,  title={NMR Relaxometry Applied to Chemical Studies of Paramagnetic Metal Cation Complexes: Fundamentals and Applications},  volume={33},  ISSN={0103-5053},  url={https://doi.org/10.21577/0103-5053.20220045},  DOI={10.21577/0103-5053.20220045},  number={6},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Kock, Flávio V. C. and Colnago, Luiz A.},  year={2022},  month={Jun},  pages={509–522} }