@article{speller_fitaire_1997,  title={A determination of free energy changes from a gas phase study of equilibria [(C2H2)m(N2)n-1]+ + N2 = [(C2H2)m(N2)n]+},  volume={8},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50531997000300012},  DOI={10.1590/S0103-50531997000300012},  number={3},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Speller, Carlos V and Fitaire, Marc},  year={1997},  month={Jun},  pages={249–256} }