@article{spinak_1998,  title={Indicadores cienciometricos},  volume={27},  ISSN={0100-1965},  url={https://doi.org/10.1590/S0100-19651998000200006},  DOI={10.1590/S0100-19651998000200006},  number={2},  journal={Ciência da Informação},  publisher={IBICT},  author={Spinak, Ernesto},  year={1998},  pages={nd–nd} }