@conference{middlicott2019calibration, title = {Calibration Approaches for Higher Order Ambisonic Microphones}, author = {Middlicott, Charles and Wiggins, Bruce}, booktitle = {Audio Engineering Society Convention 147}, month = {Oct}, year = {2019}, url = {https://www.aes.org/e-lib/browse.cfm?elib=20673} }