REFERENCES
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- Report of Telecommunications Sees DTS Becoming Competitive, Communications News, Feb 1982, P. 14; Quotes Yankee Group report on Telecommunications Analysis and Research of Fourth Quarter 1981.
- Guillou (J-A Le), Pernin (J L) & Schwartz (A J). Electronic Systems and Equipment for Evolving Loop Plant. IEEE Trans. COM-28, 7; 1980; 962–975.
- Guillou (J-A Le), Marcel (F) & Schwartz (A J). PRANA at the Age of Four: Multiservice Loops Reach Out. IEEE Trans. COM-30, 9; 1982; 2185–2210.