Xiangting Yin Ying Chen Pitch heights and contours of tones in weifang dialect: An experimental investigation. 1-6 2017 O-COCOSDA https://doi.org/10.1109/ICSDA.2017.8384461 conf/ococosda/2017 db/conf/ococosda/ococosda2017.html#YinC17