@inproceedings{inproceedings40b3bc07,
title   = {Natural ventilation of a tunnel-shaft system},
author = {Eston, Sérgio Médici de and Iramina, Wilson Siguemasa and Lins, N},
year = {2000},
publisher = {Balkema},
booktitle   = {International Conference on Environmental Issues and Management of Waste in Energy and Mineral Production}
}