00317cam a2200121ua 4500041001000000082001900010100001900029245006700048250001200115260005300127300001000180504000500190  aengh  a536.73bLEW/PI  aLewett, E H  .00aPitman`s heat-entropy chart / cE H Lewett.hTextual Documents  a1 / b.  aLondon : bSir Isaac Pitman & Sons Ltd , c1946.  a8 ; .  a