000 00314nam a2200121Ia 4500
008 211209s1981 xx 000 0 und d
041 _aeng
082 _a511.35 N81 LEW/PAP
100 _aLEWIS HARRY R
245 _aELEMENTS OF THE THEORY OF COMPUTATION
260 _aNEW YORK
_bPRENTICE HALL
_c1981
300 _a466
999 _c24261
_d24261