000 00263nam a2200109Ia 4500
999 _c7862
_d7862
020 _a978-0201441246
100 _aHopcroft , Ullman
245 0 _aIntroduction to Automata Theory Languages
260 _aNew Delhi
_bMcGraw Hill
_c2000
300 _a521
942 _cBK