TY - JOUR AU - Berardi, Umberto PY - 2017/06/30 Y2 - 2024/03/28 TI - Editor's note: Changes and challenges JF - Canadian Acoustics JA - Canadian Acoustics VL - 45 IS - 2 SE - Editorial DO - UR - https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3049 SP - 3-5 AB - ER -