@inproceedings{birkedal06bigraphical,
  author = 	 {Lars Birkedal and S\o{}ren Debois and Ebbe Elsborg and Thomas Hildebrandt and Henning Niss},
  title = 	 {Bigraphical {M}odels of {C}ontext-aware {S}ystems},
  booktitle =    "FOSSACS `06: Proceedings of 9th International Conference 
                  on Foundations of Software Science and Computation
                  Structures",
  publisher =    "Springer-Verlag",
  series =       "Lecture Notes in Computer Science",
  volume =       "3921",
  year =         "2006",
  pages =        {187--201}
}