On reducing uncertainty on the Elliptical Plane modal identification method Diogo Montalvão, Mihai Dupac, Daerefa-a Mitsheal Amafabia, Opukuro David-West and George Haritos MATEC Web Conf., 211 (2018) 06001 Published online: 10 October 2018 DOI: 10.1051/matecconf/201821106001