Talk:Reference group

External links modified
Hello fellow Wikipedians,

I have just modified one external link on Reference group. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20070319232115/http://pubdb3.census.gov/macro/032006/perinc/new03_001.htm to http://pubdb3.census.gov/macro/032006/perinc/new03_001.htm

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Cheers.— InternetArchiveBot  (Report bug) 06:58, 14 January 2018 (UTC)