Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Hot dry rock geothermal energy:

This text has been unreferenced on Wikipedia for a very long time. If you can't find a source, be bold and remove it!

"

As noted above, in the late 1990s the DOE began referring to all attempts to extract geothermal energy from basement rock as "EGS," which has led to both biographical and technical confusion. Biographically, a large number of publications exist that discuss work to extract energy from HDR without any mention of the term EGS. Thus, an internet search using the term EGS would not identify these publications.[citation needed]