00341pam a2200145a 44500008004100000020000900041041001200050082000900062100001900071245004300090250000600133260003900139300000800178650000900186230515b1981    xxu||||| |||| 00| 0 eng d  aNULL  aENGLISH  aN.D.  aLewis Harry R.  aElements Of The Theory Of Computataion  a0  aNULLbPrentice Hall of Indiac1981  a459  aNULL