< http :// hyperphysics. phy-astr. gsu. edu / hbase / thermo / adiab. html >.
< http :// hyperphysics. phy-astr. gsu. edu / hbase / relativ / blahol. html # c2 .>
0.004 seconds.
< http :// hyperphysics. phy-astr. gsu. edu / hbase / thermo / adiab. html >.
< http :// hyperphysics. phy-astr. gsu. edu / hbase / relativ / blahol. html # c2 .>
0.004 seconds.