@inproceedings{inproceedingsc32635be,
title   = {Brazilian ventilation standards: challenges and updates},
author = {Ayres da Silva, A L M and Eston, Sérgio Médici de},
year = {2021},
publisher = {Universidad Nacional de Ingenieria},
booktitle   = {Simposio Internacional en Ventilación de Minas en Sudamérica}
}