@conference{rodriguesdemiranda1958the, title = {The Designing of a Stereo Pre-Amplifier}, author = {Rodrigues de Miranda, J. and Kerckhoff, H. v. d.}, booktitle = {Audio Engineering Society Convention 10}, month = {Sep}, year = {1958}, url = {https://www.aes.org/e-lib/browse.cfm?elib=178} }