@article{nachtigall_lazzarotto_nome_2002,  title={Interaction of Calix[4]arene and Aliphatic Amines: A Combined NMR, Spectrophotometric and Conductimetric Investigation},  volume={13},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532002000300002},  DOI={10.1590/S0103-50532002000300002},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Nachtigall, Francine F. and Lazzarotto, Márcio and Nome, Faruk},  year={2002},  month={Jun},  pages={295–299} }