@incollection{compref286,
   author = {Rosen,R},
   year = {1985},
   title = {On Information and Complexity},
   booktitle = {Complexity, Language and Life: Mathematical Approaches},
   editor = {Casti,JL and Karlquist,A},
   publisher = {Springer},
   address = {Berlin},
   pages = {174-195}
}