Talk:Physiological density
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fklwjef djcfnioewjgkm — Preceding unsigned comment added by 99.64.106.233 (talk) 22:24, 31 July 2014 (UTC)
No References.[edit]
As of Sunday, September 23, 2018, there is no sources. The 1 given source doesn't exist anymore, so I had to delete it. Would someone find a simple source to cite? Heliozoan (talk) 19:20, 23 September 2018 (UTC)