@article{hermann_langaro_silva_klein_2016,  title={Particle packing of cement and silica fume in pastes using an analytical model},  volume={9},  ISSN={1983-4195},  url={https://doi.org/10.1590/S1983-41952016000100004},  DOI={10.1590/S1983-41952016000100004},  number={1},  journal={Revista IBRACON de Estruturas e Materiais},  publisher={IBRACON - Instituto Brasileiro do Concreto},  author={HERMANN, A. and LANGARO, E. A. and SILVA, S. H. LOPES DA and KLEIN, N. S.},  year={2016},  month={Jan},  pages={48–65} }