@article{article8c7e4141,
title   = {Possibilities of using ultrasound for the technological control of concrete of hollow-core slabs},
author = {Haach, Vladimir Guilherme and Juliani, Lucas Marrara},
year = {2017},
doi = {10.1016/j.conbuildmat.2016.12.121},
journal   = {Construction and Building Materials}
}