May be deleted soon...
https://en.wikibooks.org/wiki/Free_Energy_does_not_Exist

Safe backup copy...
https://en.wikibooks.org/wiki/User:Vinyasi/sandbox

Another safe backup copy...
https://www.researchgate.net/publication/364213075_Free_energy_does_not_exist

And, yet, another safe backup copy...
http://qdl.scs-inc.us/?top=20666