The synthesis of complex audio spectra by means of frequency modulation

@article{chowning1973thesynthesis,
    author = "Chowning, John M",
    journal = "Journal of the audio engineering society",
    number = "7",
    pages = "526–534",
    publisher = "Audio Engineering Society",
    title = "{The synthesis of complex audio spectra by means of frequency modulation}",
    volume = "21",
    year = "1973"
}