00353nam a2200121 a 450000500170000002000150001708200160003210000210004824500610006926000540013030000250018470000220020920251203111354.0  a8185015961  a511.35bHOP  aHopcroft, John E  aIntroduction to automata theory lanuages and computation  aNew DelhibNarosa Publishing housec1979 - R 2002  axii,418p.c22cm.cPB  aUllman, Jeffrey D