In case this is not legally possible: [[:Wikibooks:User:b:User:Dr Darsh|b:User:Dr Darsh]] grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Captions
Add a one-line explanation of what this file represents
{{Information |Description=PV diagram for reversible adiavatic expansion from i to f ; Note that Tf < Ti in this process |Source=http://en.wikibooks.org/wiki/Image:Pivo.jpg |Date=23:22, 23 June 2006 |Author=b:User:Dr Darsh |other_versions= }} {{PD-us