@article{article823b926b,
title   = {Gas permeability of bentonite barriers: development, construction and testing of a measurement system},
author = {Pitanga, Heraldo Nunes and Vilar, Orêncio Monje and Pierson, Patrick},
year = {2016},
doi = {10.1590/0370-44672015690165},
journal   = {REM International Engineering Journal}
}