@conference{aarts2003a, title = {A Unified Approach to Low- and High-frequency Bandwidth Extension}, author = {Aarts, Ronald M. and Larsen, Erik and Ouweltjes, Okke}, booktitle = {Audio Engineering Society Convention 115}, month = {Oct}, year = {2003}, url = {https://www.aes.org/e-lib/browse.cfm?elib=12344} }