@incollection {springerlink:10.1007/978-3-642-25090-3_13,
   author = {Shoulson, Alexander and Garcia, Francisco and Jones, Matthew and Mead, Robert and Badler, Norman},
   affiliation = {Department of Computer and Information Science, University of Pennsylvania, Philadelphia, PA 19104-6389, USA},
   title = {Parameterizing Behavior Trees},
   booktitle = {Motion in Games},
   series = {Lecture Notes in Computer Science},
   editor = {Allbeck, Jan and Faloutsos, Petros},
   publisher = {Springer Berlin / Heidelberg},
   isbn = {978-3-642-25089-7},
   keyword = {Computer Science},
   pages = {144-155},
   volume = {7060},
   url = {http://dx.doi.org/10.1007/978-3-642-25090-3_13},
   note = {10.1007/978-3-642-25090-3_13},
   year = {2011}
}