@Article{	  wahler.ea:model-driven:2007,
  author	= {Michael Wahler and Jana Koehler and Achim D. Brucker},
  issn		= {1863-2122},
  journal	= {Electronic Communications of the EASST},
  language	= {USenglish},
  pdf		= {papers/2007/70.pdf},
  title		= {Model-Driven Constraint Engineering},
  url		= {http://eceasst.cs.tu-berlin.de/index.php/eceasst/article/view/44/70}
		  ,
  volume	= 5,
  year		= 2007,
  user		= {wahlerm}
}