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References
- ↑ Koetsier, Teun (2001-05-01). "On the prehistory of programmable machines: musical automata, looms, calculators". Mechanism and Machine Theory. 36 (5): 589–603. doi:10.1016/S0094-114X(01)00005-2. ISSN 0094-114X.
- ↑ Kapur, Ajay; Carnegie, Dale; Murphy, Jim; Long, Jason (2017). "Loudspeakers Optional: A history of non-loudspeaker-based electroacoustic music". Organised Sound . Cambridge University Press. 22 (2): 195–205. doi: 10.1017/S1355771817000103 . ISSN 1355-7718.
- ↑ Professor Noel Sharkey, A 13th Century Programmable Robot (Archive), University of Sheffield, 2007
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