@article{compref642,
   author = {Gibson,E and Schutze,CT and Salomon,A},
   year = {1996},
   title = {The Relationship Between the Frequency and the Processing Complexity of Linguistic Structure},
   journal = {Journal of Psycholinguistic Research},
   volume = {25},
   pages = {59-92}
}

@article{compref313,
   author = {Steel,M},
   year = {1992},
   title = {The Complexity of Reconstructing Trees from Qualitative Characters and Subtrees},
   journal = {Journal of Classification},
   volume = {1992},
   pages = {91-116}
}

@incollection{compref28,
   author = {Badii,R},
   year = {1992},
   title = {Complexity and Unpredicatable Scaling of Hierarchical Structures},
   booktitle = {Chaotic Dynamics, Theory and Practice},
   editor = {Bountis,T},
   publisher = {Plenum Press},
   address = {New York and London},
   pages = {1-19}
}

@incollection{compref27,
   author = {Badii,R},
   year = {1989},
   title = {Unfolding Complexity in Nonlinear Dynamical Systems},
   booktitle = {Measures of Complexity and Chaos},
   editor = {Abraham,NB et al},
   publisher = {Plenum Press},
   address = {New York},
   pages = {313-325}
}

@article{compref172,
   author = {Huberman,BA and Hogg,T},
   year = {1986},
   title = {Complexity and Adaption},
   journal = {Physica D},
   volume = {22},
   pages = {376-384}
}

@book{compref50,
   author = {Berlekamp,ER and Conway,JH and Guy,RK},
   year = {1983},
   title = {Winning Ways for Your Mathematical Plays},
   publisher = {Academic Press},
   address = {New York}
}

@article{compref184,
   author = {Kelmans,AK},
   year = {1976},
   title = {A Comparison of Graphs by their number of spanning trees},
   journal = {Discrete Mathematics},
   volume = {16},
   pages = {241-261}
}

@article{compref282,
   author = {Rosen,BK},
   year = {1974},
   title = {Syntactic Complexity},
   journal = {Information and Control},
   volume = {24},
   pages = {305-335}
}