Metrical Grids and Generalized Tier Projection Yiding Hao author 2020-01 text Proceedings of the Society for Computation in Linguistics 2020 Allyson Ettinger editor Gaja Jarosz editor Joe Pater editor Association for Computational Linguistics New York, New York conference publication hao-2020-metrical https://aclanthology.org/2020.scil-1.56/ 2020-01 466 476