00323nam a22001217a 4500022001900000082001400019100001300033245006800046260003900114300000800153650001900161650002100180  a978-8131793510  a004.66KAN  aKandar S  aIntroduction to Automata Theory Formal Language and Computation  aNew DelhibPearson Educationc2013  a631  aMachine Theory  aFormal Languages