@conference{liao2018microphone, title = {Microphone Array Geometry for Two Dimensional Broadband Sound Field Recording}, author = {Liao, Wei-Hsiang and Mitsufuji, Yuki and Osako, Keiichi and Ohkuri, Kazunobu}, booktitle = {Audio Engineering Society Convention 145}, month = {Oct}, year = {2018}, url = {https://www.aes.org/e-lib/browse.cfm?elib=19808} }