@conference{hemingson2010improvements, title = {Improvements on a Low-Cost Experimental Tetrahedral Ambisonic Microphone}, author = {Hemingson, Dan T. and Sarisky, Mark J.}, booktitle = {Audio Engineering Society Convention 128}, month = {May}, year = {2010}, url = {https://www.aes.org/e-lib/browse.cfm?elib=15422} }