T. A. C. M. Classen and W. F. G. Mecklenbrauker, 1980. "The Wigner distribution-a tool for time-frequency signal analysis; Part I," Philips J.
In 1980, T. A. C. M. Classen and W. F. G. Mecklenbrauker published a paper titled "The Wigner Distribution - A Tool for Time-Frequency Signal Analysis; Part I" in the journal Philips J.