@conference{brandenburg1991aspec, title = {Aspec-Adaptive Spectral Entropy Coding of High Quality Music Signals}, author = {Brandenburg, Karlheinz and Herre, Jürgen and Johnston, James D. and Mahieux, Yannick and Schroeder, Ernst F.}, booktitle = {Audio Engineering Society Convention 90}, month = {Feb}, year = {1991}, url = {https://www.aes.org/e-lib/browse.cfm?elib=5682} }