@article{article50c28593,
title   = {Tailoring vibration modes in piezoelectric metamaterial beams for sound directivity control},
author = {Schimidt, Camila Sanches and Oliveira, Leopoldo Pisanelli Rodrigues de and Caetano, Virgilio Junior and De Marqui Júnior, Carlos},
year = {2026},
doi = {10.1016/j.apacoust.2025.111214},
journal   = {Applied Acoustics}
}