https://link.springer.com/content/pdf/10.1007%2F978-3-642-69308-3_7.pdf (Verlagsversion)
Johannesma, P., & Aertsen, A. (1984). The Phonochrome: A Coherent Spectro-Temporal Representation of Sound. In D. Varjú, & H.-U. Schitzler (Eds.), Localization and Orientation in Biology and Engineering (pp. 42-45). Berlin, Germany: Springer.