1 @article{Gasarch09,

     2   author    = {S.~A.~Fenner and W.~I.~Gasarch and B.~Postow},

     3   title     = {{T}he {C}omplexity of {F}inding {SUBSEQ(A)}},

     4   journal   = {Theory Computing Systems},

     5   volume    = {45},

     6   number    = {3},

     7   year      = {2009},

     8   pages     = {577-612}

     9 }

    10 

    11 @Book{Shallit08,

    12   author = 	 {J.~Shallit},

    13   title = 	 {{A} {S}econd {C}ourse in {F}ormal {L}anguages and {A}utomata {T}heory},

    14   publisher = 	 {Cambridge University Press},

    15   year = 	 {2008}

    16 }

    17 

    18 @Unpublished{Rosenberg06,

    19   author = 	 {A.~L.~Rosenberg},

    20   title = 	 {{A} {B}ig {I}deas {A}pproach to the {T}heory of {C}omputation},

    21   note = 	 {Course notes for CMPSCI 401 at the University of Massachusetts},

    22   year = 	 {2006}

    23 }