@article{nath_rastogi_peerzada_2009,  title={Oscillatory behaviour of isomers of hydroxybenzoic acid with and without catalyst},  volume={20},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532009000100002},  DOI={10.1590/S0103-50532009000100002},  number={1},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Nath, Masood A. and Rastogi, R. P. and Peerzada, G. M.},  year={2009},  pages={1–4} }