@conference{dewhirst2008qestral, title = {QESTRAL (Part 4): Test Signals, Combining Metrics, and the Prediction of Overall Spatial Quality}, author = {Dewhirst, Martin and Conetta, Robert and Rumsey, Francis and Jackson, Philip and Zielinski, Slawomir and George, Sunish and Bech, Søren and Meares, David}, booktitle = {Audio Engineering Society Convention 125}, month = {Oct}, year = {2008}, url = {https://www.aes.org/e-lib/browse.cfm?elib=14749} }