@article{paiva_ferreira_oliveira_lima neto_teixeira_2015,  title={Influence of the column rectangularity index and of the boundary conditions in the punching resistance of slab-column connections},  volume={8},  ISSN={1983-4195},  url={https://doi.org/10.1590/S1983-41952015000300003},  DOI={10.1590/S1983-41952015000300003},  number={3},  journal={Revista IBRACON de Estruturas e Materiais},  publisher={IBRACON - Instituto Brasileiro do Concreto},  author={PAIVA, O. S. and FERREIRA, M. P. and OLIVEIRA, D. R. C. and LIMA NETO, A. F. and TEIXEIRA, M. R.},  year={2015},  month={May},  pages={260–295} }