@incollection{compref305,
   author = {Simon,HA},
   year = {1979},
   title = {Complexity and the Representation of Patterned Sequences of Symbols},
   booktitle = {Models of Thought},
   editor = {Simon,HA},
   publisher = {Yale University Press},
   address = {New Haven, Connecticut},
   pages = {292-306}
}