@conference{hoeldrich2008frequency, title = {Frequency-Dependent Signal-Correlation in Surround- And Stereo-Microphone Systems and the Blumlein-Pfanzagl-Triple (BPT)}, author = {Hoeldrich, Robert and Pfanzagl-Cardone, Edwin}, booktitle = {Audio Engineering Society Convention 124}, month = {May}, year = {2008}, url = {https://www.aes.org/e-lib/browse.cfm?elib=14606} }