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References
- ↑ Zipern, Andrew (2002-06-14). "Software: Alliance Will Acquire Liquid Audio". The New York Times . Retrieved 14 July 2009.
- ↑ "Microsoft buys Liquid Audio DRM patents". Theregister.com. Retrieved 27 December 2021.
- ↑ "Liquid Digital Media :: About Us". Archived from the original on 2008-07-05. Retrieved 2009-10-17.
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