TY  - JOUR 
T1  - Application of MEMS accelerometer of smartphones to define natural frequencies and damping ratios obtained from concrete viaducts and footbridge
JO  - Revista IBRACON de Estruturas e Materiais
A1  - Braido, Jorge Dalmas
A1  - Pravia, Zacarias Martin Chamberlain
SN  - 1983-4195
UL  - 10.1590/S1983-41952022000200006
VL  - 15 
Y1  - 2022
PB  - Brazil 
ER  -