00311nam a22001217a 4500020001800000082001600018100001600034245005300050250001200103260003200115300002300147650001900170  a9781449615529  a005.131 LIN  aLinz, Peter  aAn introduction to formal languages and automata  a5th ed.  aUSAbJones & Bartlettc2012  axi, 437p. :e25 cm  aMachine theory