@incollection{compref366,
   author = {Zurek,WH},
   year = {1990},
   title = {Algorithmic Information Content, Church-Turing Thesis, Physical Entropy, and Maxwell's Demon},
   booktitle = {Complexity, Entropy and the Physics of Information},
   editor = {Zurek,WH},
   publisher = {Addison-Wesley},
   address = {Redwood City, California},
   pages = {73-89}
}

@incollection{compref278,
   author = {Rissanen,J},
   year = {1990},
   title = {Complexity of Models},
   booktitle = {Complexity, Entropy and the Physics of Information},
   editor = {Zurek,WH},
   publisher = {Addison-Wesley},
   address = {Redwood City, Claifornia},
   pages = {117-125}
}

@incollection{compref49,
   author = {Bennett,CH},
   year = {1990},
   title = {How to Define Complexity in Physics, and Why},
   booktitle = {Complexity, Entropy and the Physics of Information},
   editor = {Zurek,WH},
   publisher = {Addison-Wesley},
   address = {Redwood City California},
   pages = {137-148}
}