@conference{martikainen1989design, title = {Design of a High Power Active Control Room Monitor}, author = {Martikainen, Ilpo and Varla, A. and Partanen, T.}, booktitle = {Audio Engineering Society Convention 86}, month = {Mar}, year = {1989}, url = {https://www.aes.org/e-lib/browse.cfm?elib=5939} }