000			00298nam a22001337a 4500
020			_a9788120322332
082			_a511.3
100			_aLEWIS HARRY R.
245			_aELEMENTS OF THE THEORY OF COMPUTATION
250			_a2ND
260			_aNEW DELHI _bPHI _c1998
300			_aXII, 1498P
942			_cBK
999			_c8816 _d8816