@InProceedings{puzzle96,
  author =       {Martin Henz},
  title =        {Don't Be Puzzled!},
  year =         {1996},        
  month =        aug,
  address =      {Cambridge, Massachusetts, USA},
  booktitle =    {Proceedings of the Workshop on Constraint Programming 
                Applications, 
                in conjunction with the Second International 
                Conference on Principles and Practice of 
                Constraint Programming (CP96)},
}