Answering machine (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Answering machine" in English language version.

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acmi.net.au

  • Dr Naughton, Russell. "A d v e n t u r e s in C y b e r s o u n d". Archived from the original on 2 March 2004. Retrieved 27 May 2014.

archive.org

blackinventor.com

books.google.com

etcia.com

  • Electronic Tele-Communications, Inc. "Corporate History". etcia.com. Retrieved 24 January 2016.

fcc.gov

transition.fcc.gov

iastate.edu

news.engineering.iastate.edu

indianahistory.org

nla.gov.au

webarchive.nla.gov.au

  • Dr Naughton, Russell. "A d v e n t u r e s in C y b e r s o u n d". Archived from the original on 2 March 2004. Retrieved 27 May 2014.

nytimes.com

patents.google.com

prweb.com

recordinghistory.org

si.edu

americanhistory.si.edu

storage.googleapis.com

patentimages.storage.googleapis.com

thefreedictionary.com

web.archive.org

worldcat.org

search.worldcat.org