@InProceedings{Akehurst+08,
  author = {David Akehurst and Steffen Zschaler and Gareth Howells},
  title  = {{OCL}: Modularising the Language},
  booktitle = {{Ocl4All}: Workshop at {MoDELS} 2007, Electronic Communications of the {EASST}},
  volume    = 9,
  year      = 2008,
}